Class 8 Science Chapter 11 MCQ (Multiple Choice Questions) of Chemical Effects of Electric Current updated for new academic session 2024-25. These multiple choice objective quiz will help the students in the preparation of school tests and terminal exams. Prepare the entire chapter 11 of class 8 science using these objective questions with answers. All the questions are important as well as useful for a student of standard 8. These questions are prepared from the class 8 science chapter 11 NCERT Textbook only.
Class 8 Science Chapter 11 MCQ
Class: 8 | Science |
Chapter: 11 | Chemical Effects of Electric Current |
Contents: | MCQ Online Tests with Explanation |
Session: | 2024-25 |
MCQ Tests with Answers for Class 8 Science Chapter 11
Which of the following statement is or are correct?
In an activity to check the conduction of electricity through two liquids labelled A and B by using a bulb, it is observed that the bulb glows brightly for liquid B while it glows very dimly for liquid A.
Read the following sentences carefully, and choose the incorrect one:
Which of the following does not conduct electricity?
In a science quiz competition, Payel is asked a question where she had to choose the statement which was/were correct?
Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory:
Which of the following metals are produced by the electrolysis of their molten compounds?
Payal is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Payal wants to take help from you:
When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates:
Badal appeared in class test but he confused to know the correct statement. Would you help him to know that?
Which of the following compounds is manufactured by using the chemical effect of electric current?
Which one of the following solutions will not conduct electricity?
Consider the following statements and choose the incorrect one:
Which of the following is a weak electrolyte?
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
Electrolytes conduct electricity due to the movement of:
The chemical reaction brought about by an electric current may produce one or more effects. Choose the correct statements:
Consider the following statements and choose the correct one:
In the purification of an impure metal by using the chemical effect of electric current or electrolysis, we should not take:
Which of the following is not an application of the chemical effect of electric current?
Which of the following can be electroplated with chromium?
In order to obtain a coating of silver metal on a flower vase made of copper, the electrolyte has to be:
Chemical effect of electric current is used in industries or factories for the different purposes. Choose the correct purposes:
If plus sign (+) denotes the positive electrode and minus sign (-) denotes the negative electrode, then which of the following statement is correct for an iron spoon to be copper plated?
For electroplating an iron object with copper metal or copper plating, we should not follow the method is or are:
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