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Among the following, choose incorrect set of pair.

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Lead Nitrate

Aluminium Sulphate

Sodium Carbonate -

Calcium Phosphide -

answer is B.

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Detailed Solution

According to Criss- cross method we can predict the chemical formula for ions. Aluminium Sulphate,

is formed from

and

ions.

Similarly is formed from and ions.

is obtained from and ions.

Lead Nitrate, is formed from and 2 ions.

Calcium Phosphide obtained from and ions.

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