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A student wrote that the solution became cloudy and a solid settled at the bottom. What is this an example of?एक छात्र ने लिखा कि घोल धुंधला हो गया और तल पर ठोस जमा हुआ। यह किसका उदाहरण है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Two qualitative observations of changeपरिवर्तन के दो गुणात्मक अवलोकन
Cloudiness and solid settling are observed qualitative changes. Identify multiple observations in one statement.धुंधलापन और ठोस जमना देखे गए गुणात्मक परिवर्तन हैं। परीक्षा में एक कथन में अनेक अवलोकन पहचानें।
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