A) the weight of aluminium is half the weight of steel
B) steel piece will weigh more
C) they have the same weight
D) aluminium piece will weigh more
Correct Answer: A
Solution :
In air, force of gravity acts on metals. Thus, these have their actual weight. Atomic weight of steel, \[ie\], iron is 56 and that of aluminium is 27. Hence, it can be said that in air the weight of aluminium is half the weight of steel.
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