Question no 2735 SSC CGL Tier 1 Genral Awareness Questions and Answers Online Test 60

SSC CGL Tier 1 :: GA Test 60

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1 .

The rusting of iron nail

[ A ] decreases its weight
[ B ] increases its weight
[ C ] does not affect weight but iron is oxidised
[ D ] does not affect weight but iron is reduced

Answer : Option B

Explanation :

The rusting of iron nail takes place in the presence of air (oxygen) and water (moisture). It increases the weight of iron nail due to the formation of rust.

4Fe + 3$O_ 2$ + $xH_ 2$ O $\rightarrow$ 2$Fe_2$$O_3$x$H_2$O

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