Give an example of a chemical reaction for each of the following situations:
(a) A colour change is observed.
(b) Gas is evolved.
(c) Sound is produced.
Answers
Answered by
2
Answer:
a when copper is added into the zno2
b combustion of fuel
c when hydrogen gas is released
Answered by
0
Answer:
(i)Reaction between copper sulphate solution and iron metal
(ii)Reaction between baking soda and vinegar
(iii)Dropping something
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