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प्रश्न
Name: Two carbonates do not produce carbon dioxide on heating.
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उत्तर
Na2CO3 and K2CO3
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संबंधित प्रश्न
How do the following help in bringing about a chemical change?
light.
Give reason .
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TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
Give an example of a reaction where the following are involved
Electricity
Complete the following table and write your observations.
|
Hydrogen sulphide |
Ammonia |
Sulphur dioxide |
Hydrogen chloride |
|
|
Shake the gas with red litmus solution |
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Shake the gas with blue litmus solution |
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|
Apply a burning splint to a gas |
What is observed in performing the following :
| 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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Sodium Sulphide
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The gas obtained when potassium chlorate is heated in the presence of a catalyst.
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