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प्रश्न
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
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उत्तर
Ethene gas decolourises the purple colour of KMnO4, whereas ethane does not decolourise KMnO4 solution.
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संबंधित प्रश्न
Describe an experiment to prove the following:
HCI is highly soluble in water.
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Hydrogen
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A constant boiling mixture of water and hydrochloric acid is also called as _______________.
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___________ agent converts hydrochloric acid to chlorine.
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The white precipitate of lead chloride is soluble in _________
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
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State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
