A student added dilute HCl to a test tube containing Zn granules and m – InterviewSolution

1.	A student added dilute HCl to a test tube containing Zn granules and made following observations ? 1) The Zn surface became dull and black 2) A gas evolved which burnt with a pop sound 3) The solution remained colourless A) 1, 2 B) 2, 3 C) 2, 3 D) all?
Answer» Correct option is B) 2, 3

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