Viraf J Dalal Solutions for Chapter: Language of Chemistry, Exercise 1: EXERCISE

Give one example where supplying light energy is necessary for a chemical reaction.

Give one example where supplying electrical energy is necessary for a chemical reaction.

Give one example where supplying pressure is necessary for a chemical reaction.

Give one example where supplying catalyst is necessary for a chemical reaction.

Give word equations for the following chemical reaction and give the name of the product formed.

$\mathrm{CuO}+{\mathrm{H}}_2{\mathrm{SO}}_4 \to {\mathrm{CuSO}}_4+{\mathrm{H}}_2\mathrm{O}$

Give word equation for the following chemical reaction and give the name of the product formed.

$\mathrm{Zn}+\mathrm{S} \to \mathrm{ZnS}$

Give word equations for the following chemical reaction and give the name of the products formed.

${\mathrm{ZnCO}}_3 \stackrel{∆}{\to }\mathrm{ZnO}+{\mathrm{CO}}_2$

Give a word equation for the following chemical reaction and give the name of the products formed.

${\mathrm{NH}}_3+\mathrm{HCl}\to {\mathrm{NH}}_4\mathrm{Cl}$