NCERT Exemplar Class 8 Science Chapter 14 Chemical Effects of Electric Current. (a) electrolyte Petrol is agood conductor of electricity. (b) paper (c) Manganese dioxide and powdered carbon, 12. (d) plastic, (c) nails Question 4. (a) human body Question 2. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. 20. In a current carrying conductor the net charge is(a) 1.6 x 10–19 coulomb (b) 6.25 x 10–18 coulomb(c) zero (d) infinite Answer Answer: (c) Explanation: In a current carrying conductor, the net charge is zero. MCQ or Multiple choice questions on chemical effects of electricity is for class VIII students of CBSE board. (c) making plates which use electricity (b) acidic solution CBSE class 8 worksheets as PDF for free download Chemical Effects of Electric Current worksheets. A conducting wire carrying current behaves like a ………………………, Question 17. (b) paper Which one of the following is the insulator: (a) anode All liquids conduct electricity. (b) zinc Question 18. Deflection in …………………….. shows current is passing. (b) a solution (c) when no electric current flows through it (a) brass MCQ Questions for Class 8 Science: Ch 14 Chemical Effects of Electric Current 1. Question 9. (d) measure the temperature. (a) chromium (d) leather. The flow of electrons constitutes an electric current. Top (d) making a metal with another metal. Next. (d) none of these. Flow of Electrons in the Matter. Users can download and print the worksheets on class 8 Science Chemical Effects of Electric Current for free. When a switch is in OFF position, (i) circuit starting from positive terminal of the cell stops at the … All the MCQs are helpful for the revision of chapter and doubt clearing. Which of the following does not conduct electricity? These MCQs includes all the questions from intext paragraphs and objective questions from exercises. Bodies of human beings and animals are insulators of electricity. Tap water is a good conductor of electricity. Electroplating is heating effect of electric current. (a) electrolysis A device which prevents or allow the current to flow through it, 14. (a) magnetic effect of electricity For example: All metals including metal wires, copper wires, aluminium foil, etc. Which of the following are the characteristics of an electrolyte? Free PDF download of Important Questions with solutions for CBSE Class 8 Science Chapter 14 - Chemical Effects of Electric Current prepared by expert Science teachers from latest edition of CBSE(NCERT) books. CBSE- Chemical Effects of Electrical Current-MCQ. Register online for Science tuition on Vedantu.com to … Question 12. Electric Current: The flow of electrons in any material is termed as an electric current. Adding lime water to tap water makes it an electrolyte. (a) cations Question 17. Here you can get Class 8 Important Questions Science based on NCERT Text book for Class VIII. (a) chromium Question 14. Distilled water is an insulator. (a) istilled water (d) None of these. Magnetic effect . (a) salty water Answer 3. (c) electrode (c) chemical effect off electricity 24. (c) mica Chapter – 14 Chemical effect of electric current MCQ Test – 1 Science | Class – 8th. Electric current is measured by a device, 15. What is the common name for manganese-dioxide-alkaline-zinc cell? (a) an electrolyte 22. (c) tin Chemical Effects of Electric Current - Class 8 : Notes. (a) a metal Cations are positive charged ions. (b) electrodes Car parts, bath taps, kitchen gas burners, bicycle handlebars arc electroplated with: 7. Question 8. The entire NCERT textbook questions have been solved by best teachers for you. 23. (b) small electric current Electrolysis . An electrolyte is: (c) rod It is found that the bulb of the tester glows brightly for liquid. Distilled water is free of salt. It must be noted that the world today is based in power of electricity and uses various effects of electricity. The current which is assumed to be flowing in a circuit from positive terminal to negative, is called(a)… (d) none of these. (c) copper and sulphate 8. Class 10 Science Chapter 13 MCQ (Multiple Choice Questions) of Magnetic Effects of Electric Current. Students and parents can download free a collection of all study material issued by various best schools in India. Question 5. An electrolyte is a liquid that conducts electricity. Electroplating is a method of coating a metal on another metal using electric current. Good conductors are those conductors that allow current to pass through them. A white it glows very dimly for liquid H. You would conclude that: Electroplating is a process which is: Electroplating is a method of: (a) common salt solution Carparks, bath taps, kitchen gas burners, bicycle handle bars are electroplated, Question 13. (a) electrolysis Q.1. An electric lamp glows due to …………………….. effect of electric current. (c) neutrons Zinc is deposited on iron used in bridges and automobiles. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. In a dry cell, which of the following acts as the positive terminal? Question 15. Question 6. Leather is a good conductor of electricity. 16. A battery is used to: Question 1. Electricity is a very powerful source of energy and can easily transform into another form of energy , which is then easily can be transmitted to various […] Question 24. Good Conductors of Electricity: The materials which allow the current to pass through them are known as good conductors. (a) an electrolyte State whether the following statements are True or False: Question 1. (b) cathode Multiple Choice Questions (MCQs) Which of the following is an insulator? MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Question 7. (b) Zinc (a) Sugar solution The bulb glows when the electric current passes through it due to. Question 10. (b) non-electrolyte Addition of sodium hydroxide in distilled water makes it non-electrolyte. Current is the flow of electrons. Answer 4. (c) It conducts charge without dissociating. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Anode is the electrode connected to the positive terminal of the battery. Question 3: What is electroplating? The passage of an electric current through a solution causes. Nails (iron) is conductor of electricity, whereas member, paper and plastic are poor conductor, Question 19. Such materials are called bad conductors of electricity, e.g. Q.2. (b) anions Cathode is the electrode connected to the negative terminal of the battery. Students can solve NCERT Class 10 Science Magnetic Effects of Electric Current Multiple Choice Questions with Answers to know their preparation level. Question 6. Question 4. Q1: The unit to measure electric resistance is: (a) Joule (b) Ohm (c) Ampere (d) Volt Q2: The device used to make or break an electric circuit is: Question 2. On passing electric current through the copper sulphate solution, it dissociates into copper and sulphate. (b) small electric current During electroplating in CuSO4 (copper sulphate) solution copper from CuSO4 solution will get deposited on electrode at negative terminal. Answer: The passage of an electric current through a conducting solution causes chemical reactions as a result, bubbles of a gas are formed, or deposits of metal are seen on electrodes or changes in colour of solution , may occur. The process in which chemical change takes place in a substance when electric current is passed through it is called electrolysis. In electric circuit, current flows due to, 25. Question 25. MCQ , Class 8, Science . (b) coating a metal on another metal using electric current (c) distilled water The cans, used for storing food, are made by electroplating ……………. Kerosene is non-electrolyte. We use magnetic needle to find the effect of: CBSE Class 7 - Science - CH 14 - Electric Current and Its Effects (MCQs) Electric Current and its Effects (MCQs) Why CFL is better than electric bulb? (c) chemical effect off electricity (a) magnetism in electric current 6. The process in which a chemical change takes place in a substance, when electric current is passed through it is called: If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the …………………….. terminal of the battery. (d) none of these. These MCQ Questions on Chemical Effects of Electric Current Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. A tester is used to check the conduction of electricity through two liquids, labelled A and B. These MCQ Questions on Electric Current and Its Effects Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Answer 5. (c) Copper from CuSO4, solution (c) ions Electrolyte is a substance which produces ions in a solution. Which of the following is an insulator? Current is the flow of: (a) copper and sulphur Question 4. Magnetic needle is used to find the effect of small electric current. Studyrankers is a free educational platform for cbse k-12 students. CBSE Class 8 Science - CH 14 - Chemical Effects of Electric Current (MCQs) Chemical Effects of Electric Current MCQs. Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. 14.2 – Heating Effect of Electric Current. 14.3 – Magnetic Effect of Electric Current. Solving the Electric Current and Its Effects Multiple Choice Questions of Class 7 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. On passing electric current through the copper sulphate solution, copper sulphate dissociates into copper and sulphate. (b) whenever a weak electric current flows through it 5. Question 10. Pure water is good conductor of electricity. Liquid A is a better conductor than liquid B. The decomposition of liquid compound on passing an electric current though it is known as _ Electroplating . (d) none of these. Magnetic compass connected in a circuit is used to check small current. NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz. (c) small current rubber, wood, asbestos, plastic, etc. Access Answers to NCERT Exemplar for Class 7 Science Chapter 14- Electric Current and Its Effects Multiple Choice Questions. (d) None of these. Question 13. MCQ HOTS Questions Notes NCERT Solutions Sample Questions Test Adding lime water to tap water makes it: 14.5 – Electric Bell. CBSE Class 7 Science Electric current and its Effects MCQs.Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and NCERT Electric current and its Effects guidelines. (b) Vinegar solution B. 1. MCQs from CBSE Class 10 Science Chapter 13: Magnetic Effects of Electric Current. Question 2. 14.4 – Electromagnet. (a) slow electric current Kerosene is: Check the below NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download. (d) none of these. Question 1. (a) making plates LED glows: These MCQ's are extremely critical for all CBSE students to score better marks. Question 9. During electroplating in CuSO4, (Copper sulphate) solution …………………. Path through which an electric current flows is called ………………………. (d) none of these. (b) cotton cloth (d) none of these. Anode is the electrode which is connected to the negative terminal of the battery. (b) tap water MCQ Questions for Class 7 Science: Ch 14 Electric Current and Its effects Abhishek 07 Sept, 2020 MCQ Questions for Class 7 Science: Ch 14 Electric Current and Its effects In electrolytic solutions, which of the following acts as carrier of charge? (a) salty water (c) acid When electric current is passed through the copper sulphate solution, copper sulphate dissociates into: Question 27. Question 7. (c) lin (a) cations Plastics are poor conductor of electricity. (a) Copper from positive electrode Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is available here. Question 4: Chemical effect of electric current is also known by which term? (c) Lemon juice... 2. 9. (d) none of these. Rubber is a good conductor of electricity. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Question 5. (c) nails Question 12. Current flows from …………………….. terminal to …………………….. terminal in an electric current. When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called : (c) a liquid that conducts electricity (b) slow current The magnetic field lines outside a bar magnet: (a) Originate from the South pole and end at its North Pole (b) liquid B is a better conductor than liquid A Common salt solution and acidic solution conduct electricity. Free PDF Download - Best collection of CBSE topper Notes, Important Questions, Sample papers and NCERT Solutions for CBSE Class 8 Science Chemical Effects of Electrical Current. Science Important Questions Class 8 are given below. A battery is used to convert chemical current into electric current. 18. Question 23. Question 13. Examples are copper, aluminium, etc. (a) electrolyte (b) coating a metal on another metal using electric current (b) whenever a weak electric current flows through it In class 8 science chapter 14 notes, various good and bad conductors of electricity are discussed. ……………….. is deposited on Iron used in bridges and automobiles to protect it from corrosion and formation of rust. Materials which do not allow an electric current to pass through them are called ………………………. The …………………….. of a bulb glows when current passes through it. All vegetable oils are non-electrolytes. Correct Option is : 2. 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(a) cations Magnetic compass connected In a circuit is used to check: (c) ions Free PDF Download of CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current Multiple Choice Questions with Answers. Question 9. Here we have covered Important Questions on Chemical Effects of Electric Current for Class 8 Science subject. You pay for: A. Addition of caustic soda in distilled water makes it an ………………………, Question 6. (a) brass Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their preparation level. (b) orange juice If a switch has some sparking, we will switch it off with the help of: ... Chemical effects of electric current are used in the working of _____ (a) Electrolytic cells (b) Galvanic cells (c) Electrochemical cells Question 3. These are some of the chemical effects of electric current. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is available here. Question 22. (d) steel. Which of the appliances at your home does not run on electric current? Class 6 Science Chapter 12 MCQ (Multiple Choice Questions) of Electricity and Circuit. In your city electricity costs 40 paise per kilowatt hour. (a) when a strong electric current flows through it Conventional current flows from positive to negative terminal; electronic current lows from negative to positive terminal. (d) conducting properties of liquid cannot be compared in this manner. Chemical Effects of Electric Current Class 8 MCQs Questions with Answers 1. Question 12. (a) rubber The process of depositing a layer of any desired metal on another metallic object, by means of electricity, is called ………………………, Question 10. Question 11. Electrolysis occur when the electrolyte is in the …………………….. state. The substance which is conductor of electricity is: / By Prasanna. Q1: The liquid will conduct electric current in a circuit when the vessel is filled with _____. Solution : The decomposition of liquid compound on passing an electric current through it is known as Electrolysis. Which of the following is a good conductor of electricity: Electroplating of nickel and chromium on clean iron surface is done by employing the heating effect of current. (c) lemon juice Question 15. Practice with these objective questions to score more in your terminal exams or unit tests. October 5, 2020. Question 8. Distilled water do not, conduct electricity. (a) Human body (b) Graphite (c) Pure water (d) Copper. (b) plastic Multiple Choice Questions (MCQ) for Chemical Effects of Electric Current - CBSE Class 8 Science on Topperlearning. (b) heating effect of electricity Which of the following liquids is a bad conductor of electricity? Hope the information shared regarding the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is true and genuine as far as our knowledge is concerned. (d) none of these. We have Provided Electric Current and Its Effects Class 7 Science MCQs Questions with Answers to help students understand the concept very well. (a) an iron nail (c) thermal conduction Question 11. Science worksheets for class 8 CBSE includes worksheets on Chemical Effects of Electric Current as per NCERT syllabus. Class 8 Chemical Effects of current Class 8 Science Home Page. (b) electrolysis Anions are negative charged ions. Science NCERT Grade 8, Chapter 14, Chemical Effects of Electric Current as the name suggests, discusses some important concepts related to the chemical effects of electric current. Which acid is present in lemon juice that acts as an electrolyte? Answer: The process of depositing a layer of a desired metal on any other material by means of electrolysis is called electroplating. Which categories of substance are generally good conductors? (c) kerosene (d) any of (b) and (c), (d) any of (b) and (c) (d) none of these. Electroplating is a process which is chemical effect of electricity. (b) paper (c) both liquids are equally conducting On passing current in water, bubbles of oxygen are formed on the electrode connected to the positive terminal of the battery. 1. 21. LED glows when even a weak electric current flows through it. Question 14. (d) none of these. Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their … Electric current. (a) cations (c) tin (b) anions (b) cathode 23 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz:. (c) copper and sulphate Give an example of chemical effect of the electric current. (a) liquid A is a better conductor than liquid B Question 18. When electricity is passed through a liquid, it causes a …………………….. change. (b) Sulphur (c) distilled water Salty water, orange juice and lemon juice, all are good conductors. The cans, used for storing food, are made by electroplating tin onto iron. Science Class 8 Important Questions are very helpful to score high marks in board exams. (c) tin (d) none of these. The chemical effect of electric current and its application is also discussed. Question 16. Question 5. (b) cathode Which metal is electroplated on iron for making “cans” for storing food and drinks? (c) magnetism CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. In battery two or more cells are connected in. Materials which allow an electric current to pass through them are called ………………………. ) common salt solution ( b ) cathode ( c ) electrode ( d ) none of.... 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