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Question

Solid copper oxide reacts with hydrogen gas to form solid copper and water. The species being oxidised and reduced respectively are

ठोस कॉपर ऑक्साइड की हाइड्रोजन गैस के साथ अभिक्रिया पर ठोस कॉपर तथा जल प्राप्त होता है। ऑक्सीकृत तथा अपचयित होने वाली स्पीशीज क्रमशः हैं

A
CuO and H2

CuO तथा H2
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B
H2 and CuO

H2 तथा CuO
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C
CuO and Cu

CuO तथा Cu
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D
H2O and H2

H2O तथा H2
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Solution

The correct option is B H2 and CuO

H2 तथा CuO
Solution

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