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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)
An aqeous solution of chlorine is acidic is nature.
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
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 _______________.
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
