कौन सा पदार्थ धातु और मिश्रण दोनों नहीं बल्कि तत्व है?
Which substance is not both a metal and mixture but an element?
Explanation opens after your attempt
C. ऑक्सीजनOxygen
Concept
Oxygen is a non-metal element and not a mixture. Exam tip: keep the difference between element and mixture clear.
Why this answer is correct
The correct answer is C. ऑक्सीजन / Oxygen. Oxygen is a non-metal element and not a mixture. Exam tip: keep the difference between element and mixture clear.
Exam Tip
ऑक्सीजन अधातु तत्व है और मिश्रण नहीं। परीक्षा में तत्व और मिश्रण के अंतर को स्पष्ट रखें।
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