Question

what is chemical reaction.state condition necessary for chemical change​

Answer 1

Answer:

A process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

conditions necessary for a chemical reaction are :

1- a minimum amount of energy

2-the molecules or atoms of the reactants must collide with one another

3- the speed of the reaction should be appreciable

4- the rate of reaction depends on:

1- temperature

2- presence of light

3- electricity

4- pressure .

Answer 2

Answer:

Explanation:

Reaction in which reactants combine to form new products with different chemical composition.

• a minimum amount of energy.
• the molecules or atoms of the reactants must collide with one another.
• temperature.

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