on adding zinc granules to freshly prepared ferrous sulphate solution a student observes that:
a) a dull brown coating is formed.
b) a grayish coating is formed.
c) a black coating is formed.
d) no coating is formed.
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I think (d) is the answer
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Answer:
A student added zinc granules to copper sulphate solution taken in a test tube. The correct observations made by the student will be:
(A) zinc granules have no regular shape
(B) zinc granules are silvery-grey colored
(C) colour of zinc granules changed to brownish black due to chemical change
(D) CuSO4 change into ZnSO4 due to the following chemical change.
CuSO4+Zn→ZnSO4+Cu↓
Explanation:
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