एक छात्र ने लिखा कि घोल धुंधला हो गया और तल पर ठोस जमा हुआ। यह किसका उदाहरण है?
A student wrote that the solution became cloudy and a solid settled at the bottom. What is this an example of?
Explanation opens after your attempt
A. परिवर्तन के दो गुणात्मक अवलोकनTwo qualitative observations of change
Concept
Cloudiness and solid settling are observed qualitative changes. Identify multiple observations in one statement.
Why this answer is correct
The correct answer is A. परिवर्तन के दो गुणात्मक अवलोकन / Two qualitative observations of change. Cloudiness and solid settling are observed qualitative changes. Identify multiple observations in one statement.
Exam Tip
धुंधलापन और ठोस जमना देखे गए गुणात्मक परिवर्तन हैं। परीक्षा में एक कथन में अनेक अवलोकन पहचानें।
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