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Q.

Formula for aluminium sulphate is _________________.

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a

Al(SO4)2

b

AlSO4

c

Al2(SO4)3

d

Al2SO4

answer is C.

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Detailed Solution

To find out the formula of a chemical compound, the valency of various species present in the compound are written. Then, crossover of the valency is done to obtain the formula.

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Thus, the chemical formula of aluminium sulphate is Al2(SO4)3.

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