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निम्न में से कौन-सा क्षारीय ऑक्साइड है ? Mn 2 O 7 ,V 2 O 3 ,V 2 O 5, CrO,Cr 2
Chemistry
d एवं f-ब्लॉक के तत्त्व
Question
Updated
19 Aug 2026
निम्न में से कौन-सा क्षारीय ऑक्साइड है ? Mn 2 O 7 ,V 2 O 3 ,V 2 O 5, CrO,Cr 2 O 3
A
Choose Your Answer
A
Mn 2 O 7 एवं V 2 O 3
B
V 2 O 3 एवं CrO
C
CrO एवं Cr 2 O 3
D
V 2 O 5 एवं V 2 O 3
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