CBSE Class 8 Science Chemical Effect Of Electric Current Worksheet Set C

Read and download free pdf of CBSE Class 8 Science Chemical Effect Of Electric Current Worksheet Set C. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 8 students should practice questions and answers given here for Science in Grade 8 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 8 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Chemical Effect Of Electric Current Class 8 Science Worksheet Pdf

Class 8 Science students should refer to the following printable worksheet in Pdf for Chemical Effect Of Electric Current in standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks

Class 8 Science Worksheet for Chemical Effect Of Electric Current

CBSE Class 8 Science Worksheet - Chemical Effects of Electric Current - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.

BAL BHARATI PUBLIC SCHOOL, G.R.H.MARG

GSc. Class - VIII

Chemical Effects of Electric Current

ASSIGNMENT No. 9

FA-3

Q1. What do you understand by chemical effect of current?

Q2. Differentiate between conductors and insulators with examples.

Q3. Why distilled water isused an insulator? How can it be made a conductor?

Q4. What are electrodes? Name two elements that can be used to make electrodes.

Q5. List the various chemical effects produced when electric current is passed through a conducting solution.

Q6. What happens when electric current passes through water by keeping two electrodes immersed in it?

Q7. What is electroplating? Give its three uses.

Q8. What is the disadvantage of electroplating?

Q9. Describe an experiment to show the process of electroplating. Alsoexplain in detail why we find a coating of copper on the negative electrode.

Q10. You are given a carbon rod, a copper plate and copper sulphate solution. Explain the arrangement you will do to get a coating of copper on the carbon rod.

Q11.Give reasons for the following:

   1. Chromium is used for electroplating.

   2. Iron cans used for storing food items are electroplated with tin.

   3. Bridges and automobiles are either painted or coated with zinc to prevent rusting. Why aren’t they electroplated?

   4. We should never handle electrical appliances with wet hands.


Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 8 Science Worksheet - Chemical Effects of Electric Current

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