Easy Science Class 9 Level 4

What change is called sublimation?

उर्ध्वपातन किस परिवर्तन को कहते हैं?

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Correct Answer

A. solid से directly gas / Solid directly to gas

Explanation

Step 1: Identify the concept: this is change of state. Step 2: In sublimation a solid changes directly into gas without becoming liquid. Step 3: Remember examples like camphor and ammonium chloride.

Step 1: concept पहचानें: यह change of state है। Step 2: Sublimation में solid बिना liquid बने सीधे gas में बदलता है। Step 3: Camphor और ammonium chloride examples याद रखें।

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