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What colour is observed when ZnO is heat...

What colour is observed when ZnO is heated-

A

yellow

B

violet

C

green

D

blue

Text Solution

Verified by Experts

The correct Answer is:
A
Zinc oxide is white in colour at room temperature. On heating it loses oxygen and turns yellow.
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Knowledge Check

  • The aqueous solutions having the same colour are observed in case of -

    A
    `FeCl_(2), CuCl_(2)`
    B
    `VOCl_(2), CuCl_(2)`
    C
    `VOCl_(2), FeCl_(2)`
    D
    `FeCl_(2), MnCl_(2)`

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