Sourabh Monga Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Practice Questions Set

Write the balanced chemical equations for the following reactions.

Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.

Write the balanced chemical equations for the following reactions.

Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.

Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.

Balance the following chemical equation:

${\mathrm{MnO}}_2+\mathrm{HCl}\to {\mathrm{MnCl}}_2+{\mathrm{Cl}}_2+{\mathrm{H}}_2\mathrm{O}$

Carbon monoxide reacts with hydrogen under certain conditions to form methanol (${\mathrm{CH}}_3\mathrm{OH}$). Write a balanced chemical equation for this reaction indicating the physical states of reactants and products as well as the conditions under which this reaction takes place. 

Potassium chlorate (${\mathrm{KClO}}_3$) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction and indicate the evolution of gas.

Balance the following equation:

$\mathrm{NaOH}+{\mathrm{H}}_2{\mathrm{SO}}_4\to {\mathrm{Na}}_2{\mathrm{SO}}_4+{\mathrm{H}}_2\mathrm{O}$

Balance the following equation:

${\mathrm{BaCl}}_2+{\mathrm{H}}_2{\mathrm{SO}}_4\to {\mathrm{BaSO}}_4+\mathrm{HCl}$