Names of some common fuels are given in the table below. Add to it if any other use of them is known to you.

State	Name of fuel	Uses of the fuel
Solid	Wood	Cooking
	Coal	Cooking, generation of electricity, prepration of bricks
Liquid	Kerosene
	Petrol
	Diesel
Gaseous	Cooking gas (LPG)
	Compressed natural gas (CNG)	As fuel of vehicles

 

Reaction of metal carbonate and bicarbonate with dilute acid to produce ${\mathrm{CO}}_2$ gas.

${\mathrm{CaCO}}_3+2\mathrm{HCl}=\mathrm{\_\_\_\_\_}+{\mathrm{CO}}_2+{\mathrm{H}}_2\mathrm{O}$

Reaction of metal carbonate and bicarbonate with dilute acid to produce ${\mathrm{CO}}_2$ gas.

${\mathrm{Na}}_2{\mathrm{CO}}_3+{\mathrm{H}}_2{\mathrm{SO}}_4=\mathrm{\_\_\_\_\_}+{\mathrm{CO}}_2+{\mathrm{H}}_2\mathrm{O}.$

Complete the reaction of metal carbonate and bicarbonate with dilute acid to produce ${\mathrm{CO}}_2$ gas given below:

${\mathrm{MgCO}}_3+\mathrm{\_\_\_\_\_}={\mathrm{MgCl}}_2+{\mathrm{CO}}_2+\mathrm{\_\_\_\_\_}$.

Reaction of metal carbonate and bicarbonate with dilute acid to produce ${\mathrm{CO}}_2$ gas.

${\mathrm{NaHCO}}_3+\mathrm{HCl}=\mathrm{NaCl}+\mathrm{\_\_\_\_\_}+{\mathrm{H}}_2\mathrm{O}$..

Production of ${\mathrm{CO}}_2$ gas by heating metal carbonates or bicarbonates

${\mathrm{PbCO}}_3\stackrel{\mathrm{high} \mathrm{temperature}}{\to }\mathrm{\_\_\_\_\_}+\mathrm{\_\_\_\_\_}$

Production of ${\mathrm{CO}}_2$ gas by heating metal carbonates or bicarbonates

$\mathrm{Ca}({\mathrm{HCO}}_3{)}_2\stackrel{\mathrm{normal} \mathrm{temperature}}{\to }\mathrm{\_\_\_\_}+\mathrm{\_\_\_\_\_}$