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Most Important Selected Qs for JEE AdvancedChemistryd and f Block Elements

A metal oxide is yellow when hot and white when cold. The metal oxide is

Options

  1. ACuO
  2. BZnO
  3. CPbO
  4. DAll

Correct answer

B. ZnO

Step-by-step solution

ZnO gives yellow colour on heating and white on cooling.

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