कौन सा गुण बिना पदार्थ को बदले देखा जा सकता है?
Which property can be observed without changing the substance?
Explanation opens after your attempt
A. रंगColour
Concept
Observing colour does not form a new substance. Exam tip: directly observed properties are physical.
Why this answer is correct
The correct answer is A. रंग / Colour. Observing colour does not form a new substance. Exam tip: directly observed properties are physical.
Exam Tip
रंग देखने से नया पदार्थ नहीं बनता। परीक्षा में प्रत्यक्ष अवलोकन वाले गुण भौतिक होते हैं।
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