Q.

Which one of the following solutions will not make the bulb glow when a circuit is set up into them?


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a

Sodium chloride

b

Copper sulphate 

c

Silver nitrate

d

Sugar solution in diluted water  

answer is D.

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Detailed Solution

Sugar solution in diluted water will not make the bulb glow when a circuit is set up into them. Sugar solution in diluted water is a poor electricity conductor and does not produce ions.
Sugar is an organic compound which does not decompose or produce any charges in the water solution so due to absence of any charge particles in the solution there is no conduction of electricity hence the bulb will not glow.
 
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