Question

Q4) Name the type of reaction for the following:
a) Burning of Natural gas
b) Change in colour of the copper sulphate while dipping iron nail into it
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Answer 1

Answer:

b) displacement reaction

a) exothermic reaction

Answer 2

Answer:

Burning of natural gas is a EXOTHERMIC REACTION.

Change in color of copper sulphate when iron nail is dipped is a DISPLACEMENT REACTION.

==> Cuso4 + Fe -------> Feso4 + Cu

Explanation:

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