Zinc oxide is yellow when hot and white when cold... true or false
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Answer:
true.........................
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Step-by-step explanation:
In ZnO, Zn2+ ions occupy the interstitial sites and electrons are trapped in the interstitial sites for the neutralization. Crystals that shows such type of defects are generally colored. Zinc oxide is white in color but on heating it turns into yellow because on heating it loses oxygen reversibly at high temperature.
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