A$)$ Solid

B$)$ Liquid

C$)$ Precipitate

$($D$)$ Limiting reactant

A reaction of gases sulphur dioxide and hydrogen sulphide in the presence of water as shown below, hydrogen sulphide acts as

$S{O}_2+2H_2$Slongrightarrow$2H_{2}O+3S$

A$)$ An oxidising agent

B$)$ A reducing agent

C$)$ A catalyst

D$)$ A dehydrating agent

Which chemical species will be formed when a compound undergoes homolytic bon breaking?

A$)$ Atoms

B$)$ Cations

C$)$ Anions

$($D$)$ Free radicals