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प्रश्न
What would happen if :
Concentrated hydrochloric acid is kept open.
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उत्तर
When concentrated hydrochloric acid is kept open, it fumes in moist air forming a cloud of tiny droplets of hydrochloric acid.
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संबंधित प्रश्न
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.
Write the uses of hydrochIoric acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
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 ?
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
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 your observation when dilute hydrochloric acid is added to sodium thiosulphate.
