9. If a reaction between two chemical compounds is characterised by only change
from blue to pale green, then two compounds are likely to be
(a) copper sulphate solution and zinc.
(b) ferrous sulphate solution and copper.
(C) copper sulphate solution and iron.
(d) potassium permanganate solution and iron.
Answers
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the answer is c .......,
Answered by
2
Explanation:
option (c) is correct
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