Question

During the process of combustion................... and ................... are given ​

Answer 1

$\huge\red{\underline{\overline{\mathbb{√\ηsωεя:-}}}}$

Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. ... During combustion, new chemical substances are created from the fuel and the oxidizer. These substances are called exhaust.

So, During the process of combustion Chemical Substances and Oxidizers are given