Chemistry, asked by iraza, 9 months ago

What happens when hydrogen gas is passed over the heated copper oxide? (a) Black coating on the surface turns blue (b) Black coating on the surface turns brown (c) Black coating on the surface turns green (d) Black coating on the surface turns white

Answers

Answered by dharaneeshkumar1803

1

Answer:

B is the answer I guess.....

Answered by shalinij22136

0

Answer:

option B is the correct answer you can write your answer

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