___________ reaction occurs in the formation of elephant toothpaste.

Which reactant is oxidised in the following chemical reaction?

$\mathrm{CuO}+{\mathrm{H}}_2\to \mathrm{Cu}+{\mathrm{H}}_2\mathrm{O}$

Explain oxidation and reduction in terms of gain or loss of oxygen. Mention examples for each one. 

Answer the following:

In the chemical reaction given below:

Name the substance which is reduced?

What type of chemical reaction is respiration? 

Write the balanced chemical equation for the following chemical reaction.

$\mathrm{Barium} \mathrm{chloride}+\mathrm{Aluminium} \mathrm{sulphate}\to \mathrm{Barium} \mathrm{sulphate}+\mathrm{Aluminium} \mathrm{chloride}$

The chemical reaction $\mathrm{Fe}+{\mathrm{CuSO}}_4\to {\mathrm{FeSO}}_4+\mathrm{Cu}$ is which type of reaction?

Answer the following:

In the chemical reaction given below:

$\mathrm{ZnO}+\mathrm{C} \stackrel{}{\to } \mathrm{Zn}+\mathrm{CO}$

Identify the oxidising agent.

$\mathrm{Fe}+{\mathrm{CuSO}}_4\to {\mathrm{FeSO}}_4+\mathrm{Cu}$ is which type of reaction?

Explain oxidation and reduction in terms of gain or loss of oxygen. Mention one example for each one. 

The reaction of water with $\mathrm{CaO}$ has been shown in the given diagram. 

(a) Write the names of $\left[1\right]$ and $\left[2\right]$. 

(b) Write the name of the reaction taking place.

(c) Write the balanced equation for the reaction taking place.