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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
Write three equations to show that hydrochloric acid acts as an acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Aqua regia is a mixture of ______.
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:
Concentrated HCl is made to react with mangesediaoxide
