A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
1. oxygen
2. hydrogen
3. nitrogen
4. water-vapour
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A pop sound is heard when a lighted matchstick is brought near the mouth of a jar. This indicates the release of hydrogen gas.
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