A student takes some zinc granules in a test tube and adds dilute hydrochloric acid to it. He would observe that the colour of the zinc granules changes to:
(1) white
(2) black
(3) brown
(4) yellow
Answers
Answered by
26
It will change to black colour .
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Answered by
21
Answer:
(1) white
Explanation:
Zinc being more reactive than hydrogen displaces hydrogen from its solution and forms zinc chloride which is white in color and liberates hydrogen gas which is a odorless gas.
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