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प्रश्न
Name the gases which turn moist red litmus blue.
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उत्तर
Basic gases (NH3)
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| BaCl2(aq) + ZnSO4(aq) | H2CO3(aq) | Displacement |
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| Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
| Litmus test | ||||
| Apply a burning splint to the gas | ||||
| Colour of gas | colourless | colourless | colourless | greenish-yellow |
| Odour of gas |
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