A small piece of iron is added to a test tube containing some substance. It is observed that iron reacts with the substance and hydrogen gas gets liberated from the test tube. Based on this, we can say that the test tube most likely contains ______________
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Answered by
1
Answer:
an acid
Explanation:
Acids react with metals to form metal salts and hydrogen gas is evolved
eg : Fe + 2HCl -> FeCl2 + H2
Answered by
0
Answer:
an acid
Explanation:
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