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

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.


GSc. Class - VIII

Chemical Effects of Electric Current



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



Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Board Exams Datesheet Class 10 and Class 12

Board Exams Datesheet Class 10 and Class 12 Class 10 Datesheet for Boards Class 12 Datesheet for Board Exams

Storytelling Competition by CBSE

During the COVID-19, humanity has faced various situations that invoke human interest. There are stories of innovation, sacrifice, going beyond the call of duty, challenges faced and creatively solved, humour, finding joy in adversity etc. It will be highly useful to...

Celebration of Republic Day by CBSE

As you are aware, Republic Day is celebrated every year on 26th January to honour the Constitution and Republic of our country. Celebration of this occasion annually helps youth and children of our country to be aware of the significance of Indian Constitution, unity...

CBSE Practical Exams for Class 10 and 12

As per the Scheme of Examination, Practical Examination/Project/Internal Assessment is a compulsory activity which is completed by schools every year. Till last year, the window for Practical Examinations was provided from 1st January to 7th February. However, this...

Studies Today