Question

State three conditions necessary for a chemical change​

Answer 1

Answer:

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 .Aug 20, 2016

Explanation:

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Answer 2

Answer:

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.

Explanation:

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