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माणिक्य और नीलम मुख्य रूप से किस रासायनिक यौगिक से बने होते हैं?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1बेकिंग सोडा
2प्राकृतिक यूरेनियम
3अमोनियम क्लोराइड और जिंक क्लोराइड
4एल्युमिनियम ऑक्साइड✓

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एल्युमिनियम ऑक्साइड

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माणिक्य और नीलम मुख्य रूप से किस रासायनिक यौगिक से बने होते हैं?

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माणिक्य और नीलम मुख्य रूप से किस रासायनिक यौगिक से बने होते हैं?

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