Easy Science Class 9 Level 2

Which is an identity of a chemical change?

रासायनिक परिवर्तन की पहचान कौन सी है?

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Correct Answer

A. नया पदार्थ बनना / Formation of new substance

Explanation

Step 1: Identify the concept: this is about chemical change. Step 2: In a chemical change the original substance changes into a new substance. Step 3: Remember rusting as an example of chemical change.

Step 1: concept पहचानें: यह chemical change से जुड़ा है। Step 2: Chemical change में original substance बदलकर new substance बनता है। Step 3: Rusting chemical change का example याद रखें।

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