write down the formula of aluminium sulphate with criss cross method
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Explanation:
Correct option is
A
Al
2
(SO
4
)
3
Valency of aluminium (Al
3+
)= 3
Valency of sulphate (SO
4
2−
) =2
By applying crisscross method:
Formula is Al
2
(SO
4
)
3
Hence, option A is correct.
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