In which of the following will the bulb light up?
Figure

(a) all the liquids will conduct electricity
(b) only B and D
(c) B, C and D
(d) A, B, C and E

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Solution

(b) Only B and D

These liquids contain dissolved salts, which produce ions to conduct electricity.

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Question 20.
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In which of the following will the bulb light up? Figure (a) all the liquids will conduct electricity (b) only B and D (c) B, C and D (d) A, B, C and E

(b) Only B and D These liquids contain dissolved salts, which produce ions to conduct electricity.

In which of the following will the bulb light up?
Figure

(a) all the liquids will conduct electricity
(b) only B and D
(c) B, C and D
(d) A, B, C and E

(b) Only B and D

These liquids contain dissolved salts, which produce ions to conduct electricity.