![When a base reacts with a metal, it forms a salt and hydrogen gas is released. By what method can the presence of hydrogen be detected?](https://www.gkseries.com/blog/wp-content/uploads/2021/12/When-a-base-reacts-with-a-metal-it-forms-a-salt-and-hydrogen-gas-is-released.-By-what-method-can-the-presence-of-hydrogen-be-detected.png)
Q. When a base reacts with a metal, it forms a salt and hydrogen gas is released. By what method can the presence of hydrogen be detected?
- by water
- by litmus paper
- by methyl orange
- by a burning candle
Answer: Option (D)
Answer: Option (D)
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