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प्रश्न
Write the uses of hydrochIoric acid.
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उत्तर
Uses of hydrochloric acid are -
(i) lt is used in the production of dyes, drugs, paints, photographic chemicals etc.
(ii) It is used in the extraction of bone charcoal, by dissolving away calcium phosphate.
(iii) It is used in the extraction of glue from bones.
(iv) It is used in the production of glucose from starch.
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संबंधित प्रश्न
What would happen if :
Concentrated hydrochloric acid is kept open.
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.
Give two tests for hydrochloric acid.
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 one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
