शुद्ध पदार्थ को किन दो वर्गों में बाँटा जा सकता है?
Pure substances can be divided into which two classes?
Explanation opens after your attempt
B. तत्व और यौगिकElements and compounds
Concept
Pure substances can be elements or compounds. Exam tip: do not include mixtures in this class.
Why this answer is correct
The correct answer is B. तत्व और यौगिक / Elements and compounds. Pure substances can be elements or compounds. Exam tip: do not include mixtures in this class.
Exam Tip
शुद्ध पदार्थ तत्व और यौगिक हो सकते हैं। परीक्षा में मिश्रण को इस वर्ग में शामिल न करें।
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