Question

What are chemical reaction​

Answer 1

Answer:

Explanation:

The permanent change in which a new substance is formed is called a chemical reaction.

For example:

i)Burning of wood

ii)Cooking rice

iii)Forming curd from milk

The burning of wood is a chemical reaction because it is a permanent change and it cannot be reversed. Once it is done, it is over it can't be done again. And in the case of example iii, the milk turns into curd by chemical reaction. A new substance i.e curd is formed from the milk.

Hope you understood!

Answer 2

• The reaction in which we can't take back the product to reactant form .Or in simple words the reaction which is irreversible is called chemical reaction

Example:-

• Burning of wax

We cannot pull back the reaction to get wax back .