Which of these combinations react to produce hydrogen gas?
A. Copper and hydrochloric acid
B. Iron and water
C. Copper oxide and sulphuric acid
D. Calcium and water
Answers
Answered by
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Answer:
A. Copper and hydrochloric acid
Explanation:
The first combination is the only combination with hydrogen in the reactants.
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Answered by
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Answer:
Copper and hydrochloric Acid
Explanation:
here is your answer
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