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Class 10 Science Medium Mcq English Medium

2Cu + O2 gives

Question
2Cu + O2 gives
2CuO
Cu2O
CuO2
Cu2O3
Answer
2CuO
Detailed Explanation
Copper combines with oxygen on heating to form copper(II) oxide, CuO, a black oxide.
Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals

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