Chemistry
What is observed on performing the following :
| Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
|---|---|---|---|---|
| Litmus test | ||||
| Applying burning splint to the gas | ||||
| Colour of gas | colourless | colourless | colourless | greenish yellow |
| Odour of gas |
Practical Chemistry
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Answer
| Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
|---|---|---|---|---|
| Litmus test | Neutral to litmus | Neutral to litmus | blue litmus turns red | blue litmus turns red and finally bleaches |
| Applying burning splint to the gas | Pure hydrogen burns with a pale blue flame when a burning splinter is brought near it | rekindles a glowing splinter | burning splint is extinguished | burning splint is extinguished |
| Colour of gas | colourless | colourless | colourless | greenish yellow |
| Odour of gas | odourless | odourless | odourless | sharp pungent choking smell |
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