Awadhesh Kumar Singh Solutions for Chapter: Chemical Reactions, Exercise 1: EXERCISES

The minimum temperature required for a substance to burn is called the ignition temperature of the substance.

Formation of vapour from the burning substance is not necessary to produce a flame.

A matchstick gets ignited when inserted in the blue flame of candle.

Classify the following reaction according to its nature: 

$2{\mathrm{H}}_2+{\mathrm{O}}_2\to 2{\mathrm{H}}_2\mathrm{O}$

Classify the following reaction according to its nature: (Isomerization reaction/ Decomposition reaction)

${\mathrm{NH}}_4\mathrm{CNO}\to {\mathrm{H}}_2{\mathrm{NCONH}}_2$

Classify the following reaction according to its nature: (Displacement / Decomposition)
$\mathrm{Fe}+{\mathrm{CuSO}}_4\to {\mathrm{FeSO}}_4+\mathrm{Cu}$

Classify the following reaction according to its nature: (Double displacement reaction/ Displacement reaction/ Combination reaction)
$\mathrm{NaCl}+{\mathrm{AgNO}}_3\to \mathrm{AgCl}+{\mathrm{NaNO}}_3$

Classify the following reaction according to its nature:

${\mathrm{NH}}_3+{\mathrm{H}}_2\mathrm{O}\to {\mathrm{NH}}_4\mathrm{OH}$