Question

(d) The basic condition necessary for a
chemical reaction is
.......​

Answer 1

Answer:

Close contact- For a chemical reaction to take place the reactants should be brought in close contact i.e., they should be mixed.

Sodium + Water → Sodium hydroxide + Water

Solution form- Some substances react with each other only when they are mixed in the solution form, e.g.,

(aq.)

Silvernitrate

+

(aq.)

Sodiumchloride

→

(ppt.)

Silvernitrate

+

(aq.)

Sodiumnitrate

Heat-Some reactants need to be heated to undergo a chemical change, e.g.,

Potassium chlorate

⟶

heat

Potassium chloride + Oxygen

Light - Some reactions take place in the presence of light.

Carbon dioxide + Water

chlorophyll

sunlight

Glucose + Oxygen

Answered By

Explanation:

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Answer 2

Answer:

here your answer

Explanation:

we want two reactant that react and make product