Question

Match the following compounds (Column-I) With their uses (Column- II):

S. No.	Column - I	S.No.	Column-II
(I)	Ca(OH)2	(A)	casts of statues
(II)	NaCl	(B)	White was
(III)	CaSO4 . \(\frac{1}{2}\)H2O	(C)	antacid
(IV)	CaCO3	(D)	Washing soda preparation

 

Answer 1

Correct answer is (4) (I)-(B), (II)-(D), (III)-(A), (IV)-(C)

(I) Ca(OH)₂ is used in white wash 

(II) NaCl is used in preparation of washing soda

(III) CaSO₄. \(\frac{1}{2}\)H₂O (Plaster of paris) is used for making casts of statues

(IV) CaCo₃ is used as an antacid