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Q. |
Acids on reacting with metals release which of the following gases? |
A. | Oxygen |
B. | Carbon Dioxide |
C. | Hydrogen |
D. | Methane |
Answer» C. Hydrogen | |
Explanation: Acids on reacting with some reactive metals result in the formation of a salt and hydrogen gas. The general equation that describes the chemical reaction between an acid and metal is Metal + acid = salt + hydrogen gas. |
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