State True or False.
Calcium sulphate is insoluble but it reacts with ammonium sulphate to form a soluble complex.

True

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False

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Solution

The correct option is A True
Calcium sulphate is insoluble but it reacts with ammonium sulphate to form soluble complex ${(N H}_{4})_{2} [{C a ({S O}_{4})}_{2}]$
${C a S O}_{4} + {({N H}_{4})}_{2} {S O}_{4} ⟶ {(N H}_{4})_{2} [{C a ({S O}_{4})}_{2}]$

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Similar questions

Q. Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason(R): Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble compounds.

Sodium sulphate is soluble in water but barium sulphate is insoluble because

Q. Two metals

X

and

Y

belong to the second group of the periodic table.

X

forms insoluble oxide but soluble sulphate.

Y

forms a soluble oxide but insoluble sulphate. The hydroxide of metal

X

is soluble in

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while that of metal

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is insoluble in

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. What are metals

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and

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State True or False.

H g_{2} C l_{2}

reacts with ammonia to form insoluble

H g N H_{2} C l

and Hg.

Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason(R): Washing soda reacts with soluble magnesium and calcium sulphate to form water-soluble compounds.

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State True or False.Calcium sulphate is insoluble but it reacts with ammonium sulphate to form a soluble complex.

The correct option is A TrueCalcium sulphate is insoluble but it reacts with ammonium sulphate to form soluble complex (NH4)2[Ca(SO4)2]CaSO4+(NH4)2SO4⟶(NH4)2[Ca(SO4)2]

State True or False.
Calcium sulphate is insoluble but it reacts with ammonium sulphate to form a soluble complex.

The correct option is A True
Calcium sulphate is insoluble but it reacts with ammonium sulphate to form soluble complex ${(N H}_{4})_{2} [{C a ({S O}_{4})}_{2}]$
${C a S O}_{4} + {({N H}_{4})}_{2} {S O}_{4} ⟶ {(N H}_{4})_{2} [{C a ({S O}_{4})}_{2}]$