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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
How will you prepare hydrochloric acid in laboratory? OR
Describe briefly the method employed to dissolve hydrogen chloride gas in water as it is prepared. What is the purpose of funnel while preparing hydrochloric acid from HCI gas?
Explain, why (or give reasons for)
A solution of HCl gas in water turns blue litmus red and conducts electricity, while HCI gas dissolves in toluene and it has no effect on litmus and does not conduct electricity.
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Write three equations to show that hydrochloric acid acts as an acid.
Describe an experiment to prove the following:
HCI is highly soluble in water.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
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.
