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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
Explain, why (or give reasons for)
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled.
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Write equation for the reaction between hydrochloric acid of the following: Bleaching powder
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
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.
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
