SATHEE: P-Block Elements Ques 590

P-Block Elements Ques 590

Question: Superphosphate of lime is obtained from the reaction of:

Options:

A) Bones with gypsum.

B) Calcium phosphate with sulphuric acid.

C) Calcium phosphate with $H C l$ .

D) Calcium carbonate with phosphoric acid.

Show Answer

Answer:

Correct Answer: B

Solution:

$C a_{3} {(P O_{4})}_{2} + 2 H_{2} S O_{4} + 5 H_{2} O \to$ $C a {(H_{2} P O_{4})}_{2} . H_{2} O + 2 C a S O_{4} .2 H_{2} O$

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P-Block Elements Ques 590

Question: Superphosphate of lime is obtained from the reaction of:

Options:

Answer:

Solution:

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