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Wednesday, July 31, 2019
कॉपर को वायु में जलाने पर कौन सा यौगिक बनता है ?
(A) कॉपर हाइड्राइड
(B) कॉपर हाइड्रॉक्साइड
(C) कॉपर ऑक्साइड
(D) कुछ नहीं
Ans- C
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