Dr. Parul Srivastava Solutions for Chapter: Chemical Reactions and Equations, Exercise 5: Check Your Progress

What kind of reaction takes place when aluminium metal is placed in ${\mathrm{ZnSO}}_4$ solution?

What are the differences between displacement and double displacement reactions? Write examples.

Classify the following reaction:

$\mathrm{CaO}\left(\mathrm{s}\right)+{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)\to \mathrm{Ca}\left(\mathrm{OH}{)}_2\right(\mathrm{aq})$

Classify the following reaction :

$\mathrm{Fe}\left(\mathrm{s}\right)+{\mathrm{CuSO}}_4\left(\mathrm{aq}\right)\to {\mathrm{FeSO}}_4\left(\mathrm{aq}\right)+\mathrm{Cu}\left(\mathrm{s}\right)$

Describe what happens in a combustion reaction.

Explain the differences between combination and decomposition reactions.

What will happen, if zinc displaces gold in a chemical reaction?