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Mona tries an experiment with five diffe...

Mona tries an experiment with five different metals namely sodium, magnesium, zinc, iron and copperr taken in five different test tubes respectively.

Mona observed that hydrogen gas is evolved in test tube 3, only when it was boiled. test tube 3 contains only ____

A

Zn

B

Na

C

Mg

D

Cu

Text Solution

Verified by Experts

The correct Answer is:
A
Sodium and magnesium reacts with cold and warm water but zinc reacts only with boiling water steam and copper does not react at all.
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