P. Bahadur Solutions for Chapter: Chemical Reactions and Equations, Exercise 4: Exercise 9

Green vitriol is chemically _____.

(A) ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$              (B) ${\mathrm{FeSO}}_4.7{\mathrm{H}}_2\mathrm{O}$             (C) ${\mathrm{H}}_2{\mathrm{SO}}_4$

Enter your correct answer as A, B or C.

Blue vitriol is chemically _____.

(A) ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$              (B) ${\mathrm{FeSO}}_4.7{\mathrm{H}}_2\mathrm{O}$             (C) ${\mathrm{H}}_2{\mathrm{SO}}_4$

Enter your correct answer as A, B or C.

White vitriol is chemically _____.

(A) ${\mathrm{ZnSO}}_4.7{\mathrm{H}}_2\mathrm{O}$                  (B) ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$                  (C) ${\mathrm{FeSO}}_4.7{\mathrm{H}}_2\mathrm{O}$

Enter your correct answer as A, B or C.

Neutralization reactions involve acid and _____ reaction.

Shining white colour on walls after some time during whitewashing is due to _____. (copper carbonate/ calcium carbonate)

Antioxidant are used to prevent _____ of fat.

$\mathrm{ZnO}$ is white but becomes _____ on heating. (yellow/red)

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

The colour of lead chromate is _____. (vivid yellow / blue-green / orange)