P. Bahadur Solutions for Chapter: Acids, Bases and Salts, Exercise 4: Exercise 8

The reaction: ${\mathrm{H}}^{+} + {\mathrm{OH}}^{-} \to {\mathrm{H}}_2\mathrm{O}$ is called _____.

Eggshell contains a layer of _____ on top

A compound of hydrogen which has basic nature and pungent smell is _____.

An acidic gas with rotten egg smell is _____.

(A) ${\mathrm{H}}_2\mathrm{S}$               (B) ${\mathrm{Cl}}_2$                 (C) ${\mathrm{CO}}_2$

Enter your correct answer as A, B or C.

An example of complex salt with complex cation is _____.

(A) $\mathrm{Cr}\left({\mathrm{NH}}_3{)}_6\right]({\mathrm{NO}}_3{)}_3$                       (B) ${\mathrm{CuSO}}_4$                 (C) ${\mathrm{NH}}_4\mathrm{Cl}$

Enter your correct answer as A, B or C.

Fill in the blank with correct word given in the bracket.

${\mathrm{CaCl}}_2$ is _____ in nature. (non-absorbent / hygroscopic)

$\mathrm{NaOH}$ absorbs water and is _____ in nature.

${\mathrm{H}}_3{\mathrm{PO}}_2$ is _____ acid.