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
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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
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Answer:
A. Copper and hydrochloric acid
Explanation:
The first combination is the only combination with hydrogen in the reactants.
Hope this helps you.
Answer:
Copper and hydrochloric Acid
Explanation:
here is your answer