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Study the given figure carefully. Which...

Study the given figure carefully.

Which of the following samples will make the bulb glow ?
(i) Sugar (ii) Ethanol (iii) Sulphuric acid (iv) Common salt (v) Washing soda

A

(i), (ii) and (iv) only

B

(i), (ii) and (iii) only

C

(i) and (ii) only

D

(iii), (iv) and (v) only

Text Solution

Verified by Experts

The correct Answer is:
D
Sugar and ethanol do not conduct electricity while sulphuric acid, common salt and washing soda conduct electricity as they produce ions in the solution.
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