How do the following help in bringing a chemical change?
(i) pressure. (ii) light
(iii) catalyst. (iv) heat
DON'T SWAMP....
Answers
Answered by
0
Explanation:
all r required.................
Answered by
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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