गलन physical change क्यों है?

Why is melting a physical change?

Explanation opens after your attempt
Correct Answer

B. chemical composition नहीं बदलतीChemical composition does not change

Step 1

Concept

In melting solid becomes liquid but identity of substance remains same. Therefore it is physical change.

Step 2

Why this answer is correct

The correct answer is B. chemical composition नहीं बदलती / Chemical composition does not change. In melting solid becomes liquid but identity of substance remains same. Therefore it is physical change.

Step 3

Exam Tip

Melting में solid liquid बनता है पर substance की identity same रहती है। इसलिए यह physical change है।

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गलन physical change क्यों है? / Why is melting a physical change?

Correct Answer: B. chemical composition नहीं बदलती / Chemical composition does not change. Explanation: Melting में solid liquid बनता है पर substance की identity same रहती है। इसलिए यह physical change है। / In melting solid becomes liquid but identity of substance remains same. Therefore it is physical change.

Which concept should I revise for this Chemistry MCQ?

In melting solid becomes liquid but identity of substance remains same. Therefore it is physical change.

What exam hint can help solve this Chemistry question?

Melting में solid liquid बनता है पर substance की identity same रहती है। इसलिए यह physical change है।