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प्रश्न
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
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उत्तर
Chlorine gas is evolved when an oxide and concentrated hydrochloric acid are heated.
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संबंधित प्रश्न
What would happen if :
Concentrated hydrochloric acid is kept open.
Give two tests for hydrochloric acid.
Write the uses of hydrochIoric acid.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of HCl gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of HCl gas when the reaction is:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
State your observation when dilute hydrochloric acid is added to sodium thiosulphate.
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.
