List - I List - II (A) CaSO 4 ⋅ 2 H 2 O (C) NaCl (P) Soluble in water (B) Na 2 CO 3 ⋅ 10 H 2 O (Q) Insoluble in water/sparingly soluble (C) NaCl (R) Used for preparing freezing mixture (D) C

Question

List - I List - II (A) CaSO 4 ​ ⋅ 2 H 2 ​ O (C) NaCl (P) Soluble in water (B) Na 2 ​ CO 3 ​ ⋅ 10 H 2 ​ O (Q) Insoluble in water/sparingly soluble (C) NaCl (R) Used for preparing freezing mixture (D) CaSO 4 ​ (anhydride) (S) Dead burnt (T) Gypsum

TestHub · Accepted Answer

CaSO₄·2H₂O is chemically known as Gypsum and is sparingly soluble in water.

Na₂CO₃·10H₂O (Washing Soda) is highly soluble in water.

NaCl (Sodium Chloride) is soluble and is commonly used to prepare freezing mixtures with ice.

CaSO₄ (anhydride) is known as dead burnt plaster and is sparingly soluble in water.

Chemistry - Complete s-block Question with Solution | TestHub

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Doubts & Discussion

List - I	List - II
(A) $CaSO_{4} \cdot 2 H_{2} O$ (C) NaCl	(P) Soluble in water
(B) $Na_{2} CO_{3} \cdot 10 H_{2} O$	(Q) Insoluble in water/sparingly soluble
(C) NaCl	(R) Used for preparing freezing mixture
(D) $CaSO_{4}$ (anhydride)	(S) Dead burnt
	(T) Gypsum