Chemistry, asked by Soumili6, 5 months ago

How do the following help in bringing a chemical change?
(i) pressure. (ii) light
(iii) catalyst. (iv) heat
DON'T SWAMP....​

Answers

Answered by shivakumara56
0

Explanation:

all r required.................

Answered by tanishakumari123
1

Answer:

Positive catalyst

Explanation:

When a catalyst increase the rate of reaction finely divided iron is used as a positive catalyst in the manufacturing of ammonia from hydrogen and nitrogen. 2. Negative Catalyst: When a catalyst decreases the rate of reaction.

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