Question

question no 6
b),c),d)

Answer 1

hii,
b) Metals are good conductor of heat and electricity, so immersion rods are made up of metallic substances.
c) Copper is less reactive than zinc, so it can not displace zinc from its salt solution.
d) Sodium and Potassium are very reactive; they react with air and water, so they are stored in kerosene.

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