किस स्थिति में नया पदार्थ बनता है?
In which situation is a new substance formed?
Explanation opens after your attempt
Correct Answer
A. कागज का जलनाBurning of paper
Concept
When paper burns new substances such as ash and gases form. This is a chemical change.
Why this answer is correct
The correct answer is A. कागज का जलना / Burning of paper. When paper burns new substances such as ash and gases form. This is a chemical change.
Exam Tip
कागज जलने पर ash और gases जैसे new substances बनते हैं। यह chemical change है।
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