A. Fill in the blank spaces :
(i) When a chemical change takes place in matter, we commonly say a _______reaction takes place. [physical/chemical]
(ii) When copper sulphide is treated with hydrochloric acid, it gives a _______smelling gas hydrogen sulphide. [fine/foul]
Answers
Answered by
1
Answer:
1)chemical
2)fine
Explanation:
may it helps you..
Answered by
0
Answer:
Chemical
foul
are the correct answer
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