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प्रश्न
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
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उत्तर
Carbon dioxide gas has no effect on acidified KMnO4 or K2Cr2O7, but sulphur dioxide turns potassium permanganate from pink to colourless.
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
Describe an experiment to prove the following:
HCI is highly soluble in water.
Write the uses of hydrochIoric acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
Why is hydrogen chloride not collected over water?
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
