1.

Match column I with column ll and mark the correct option from the given cGolumn IColumn ll(a) NaHCO3(i) Used for disinfecting water(b) Na2CO3(ii) Used in soda-acid fire extinguishers(c) CaoCl2(iii) Used for removing permanent hardness of water(iv) Used for making toys, materials for decoration(A) (a) - (iii), (b) - (i), (c) - (iv), (d) - (ii) (B) (a) - (ii), (b) - (iii), (c) - (i), (d) - (iv) (c) (a) - (iii), (b) - (ii), (c) - (i), (d) - (iv) (D) (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii)

Answer»

The Correct option is (B)



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