(a) chromium Question 4: Chemical effect of electric current is also known by which term? Question 18. 23 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz:. Studyrankers is a free educational platform for cbse k-12 students. (a) slow electric current Electro-resistivity . Electroplating is heating effect of electric current. The …………………….. of a bulb glows when current passes through it. (d) none of these. (a) cations A white it glows very dimly for liquid H. You would conclude that: NCERT Exemplar Class 8 Science Chapter 14 Chemical Effects of Electric Current. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. (c) mica In battery two or more cells are connected in. (b) copper and oxygen (a) making plates 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. (c) kerosene 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 Class 8 Important Questions are very helpful to score high marks in board exams. 1. (a) electrolyte (b) small electric current The passage of an electric current through a solution causes …………………….. effect. (c) making plates which use electricity ► (d) It forms positive and negative ions. (c) wooden stick Question 27. (b) protons (d) none of these, (a) chromium When a switch is in OFF position, (i) circuit starting from positive terminal of the cell stops at the … (c) thermal conduction Question 8. 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. (a) electrolysis (c) Manganese dioxide and powdered carbon, 12. CBSE class 8 worksheets as PDF for free download Chemical Effects of Electric Current worksheets. 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 […] During electroplating in CuSO4 (copper sulphate) solution copper from CuSO4 solution will get deposited on electrode at negative terminal. The cans, used for storing food, are made by electroplating tin onto iron. Question 3. Question 5. Question 14. Next. Practice with these objective questions to score more in your terminal exams or unit tests. Question 6. The bulb glows when the electric current passes through it due to. (c) neutrons Salty water, orange juice and lemon juice, all are good conductors. A tester is used to check the conduction of electricity through two liquids, labelled A and B. (b) tap water Anode is the electrode which is connected to the negative terminal of the battery. (a) electrons Answer 5. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. Multiple Choice Questions (MCQ) for Chemical Effects of Electric Current - CBSE Class 8 Science on Topperlearning. Most liquids that conduct electricity are solutions of …………………….. and ………………………. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. (d) none of these. Chemical Effects of Electric Current Class 8 MCQs Questions with Answers 1. (d) none of these. Question 3: What is electroplating? 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. We have Provided Electric Current and Its Effects Class 7 Science MCQs Questions with Answers to help students understand the concept very well. (c) copper and sulphate Path through which an electric current flows is called ………………………. A battery is used to convert chemical current into electric current. Q1: The liquid will conduct electric current in a circuit when the vessel is filled with _____. Paper is insulator whereas human body, acid and steel are conductors. Which acid is present in lemon juice that acts as an electrolyte? (b) anions The process in which chemical change takes place in a substance when electric current is passed through it is called electrolysis. The process of depositing a layer of any desired metal on another metallic object, by means of electricity, is called ………………………, Question 10. (b) zinc (a) anode (b) paper (b) Vinegar solution (a) magnetic effect of electricity (b) whenever a weak electric current flows through it All the MCQs are helpful for the revision of chapter and doubt clearing. These MCQs includes almost all questions from intext questions and exercises questions. It must be noted that the world today is based in power of electricity and uses various effects of electricity. Class 8 Chemical Effects of current Class 8 Science Home Page. Electrolysis occur when the electrolyte is in the …………………….. state. (c) lemon juice Question 14. 24. Liquid A is a better conductor than liquid B. Question 1. In electric circuit, current flows due to, 25. (a) liquid A is a better conductor than liquid B The magnetic field lines outside a bar magnet: (a) Originate from the South pole and end at its North Pole Which of the following does not conduct electricity? Question 4. (b) a solution 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. (d) none of these. Electrolysis . Top MCQ or Multiple choice questions on chemical effects of electricity is for class VIII students of CBSE board. Such materials are called bad conductors of electricity, e.g. Common salt solution and acidic solution conduct electricity. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. (b) paper Electroplating is a method of coating a metal on another metal using electric current. Question 10. Students can solve NCERT Class 10 Science Magnetic Effects of Electric Current Multiple Choice Questions with Answers to know their preparation level. Which of the following liquids is a bad conductor of electricity? Question 12. On passing electric current through the copper sulphate solution, copper sulphate dissociates into copper and sulphate. Distilled water do not, conduct electricity. (c) distilled water If a switch has some sparking, we will switch it off with the help of: (c) Lemon juice... 2. (a) Chromium Which metal is electroplated on iron for making “cans” for storing food and drinks? Car parts, bath taps, kitchen gas burners, bicycle handlebars arc electroplated with: (d) none of these. Question 13. 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. (c) when no electric current flows through it CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. The entire NCERT textbook questions have been solved by best teachers for you. (d) steel. Electric current is measured by a device, 15. Which one of the following is the insulator: Question 8. Question 20. Distilled water is free of salt. Question 15. (c) nails The process in which a chemical change takes place in a substance, when electric current is passed through it is called: (a) an iron nail (c) small current Correct Option is : 2. (b) paper Question 16. Good Conductors of Electricity: The materials which allow the current to pass through them are known as good conductors. Conventional current flows from positive to negative terminal; electronic current lows from negative to positive terminal. Bodies of human beings and animals are insulators of electricity. (a) an electrolyte The flow of electrons constitutes an electric current. When electricity is passed through a liquid, it causes a …………………….. change. (b) slow current 17. Which liquid do not conduct electricity? Q.1. A battery is used to: Zinc is deposited on iron used in bridges and automobiles. (b) orange juice (b) cathode (a) liquid A is a better conductor than liquid B Which of the following does not conduct electricity? ……………….. is deposited on Iron used in bridges and automobiles to protect it from corrosion and formation of rust. When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called : (d) none of these. (c) a liquid that conducts electricity Which one is the conductor Fuse wire is used in electric circuit to prevent, (a) Electrical appliances and circuit from high current, ► (a) Electrical appliances and circuit from high current. Leather is a good conductor of electricity. 18. (a) convert chemical current into electric Magnetic needle is used to find the effect of small electric current. Rubber is a good conductor of electricity. These are some of the chemical effects of electric current. Question 24. 1. (a) cations Question 4. Q.2. (a) anode Question 26. Question 4. MCQ , Class 8, Science . (d) None of these. Current is the flow of: Question 2. (a) when a strong electric current flows through it (a) electrons Question 9. (a) Copper from positive electrode Class 10 Science Chapter 13 MCQ (Multiple Choice Questions) of Magnetic Effects of Electric Current. Here we have covered Important Questions on Chemical Effects of Electric Current for Class 8 Science subject. (c) rod (b) plastic MCQ HOTS Questions Notes NCERT Solutions Sample Questions Test Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their preparation level. (b) cathode Materials which allow an electric current to pass through them are called ………………………. (b) coating a metal on another metal using electric current Register online for Science tuition on Vedantu.com to … CBSE Class 8 Science - CH 14 - Chemical Effects of Electric Current (MCQs) Chemical Effects of Electric Current MCQs. (b) coating a metal on another metal using electric current 16. Which of the fallowing liquid is poor conductor: Class 10 Science MCQs Chapter 12 Electricity. Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. (a) chromium (c) acid You pay for: A. (a) Sugar solution These MCQ's are extremely critical for all CBSE students to score better marks. All vegetable oils are non-electrolytes. 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 9. Current flows from …………………….. terminal to …………………….. terminal in an electric current. (d) measure the temperature. Materials which do not allow an electric current to pass through them are called ………………………. All liquids conduct electricity. (b) whenever a weak electric current flows through it On passing electric current through the copper sulphate solution, it dissociates into copper and sulphate. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. Question 5. (a) anode LED glows when even a weak electric current flows through it. Multiple Choice Questions (MCQs) Which of the following is an insulator? Question 6. (d) none of these. 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