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प्रश्न
State the following:
The drying agent used in the laboratory preparation of HCl gas.
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उत्तर
The drying agent used in the laboratory preparation of HCl gas is concentrated sulphuric acid. As sulphuric acid is non-volatile in nature therefore it helps in removing the moisture and hence act as a drying agent.
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संबंधित प्रश्न
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky.
When NH4OH solution is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
How is the gas collected and why?
Describe an experiment to prove the following:
HCI gas is heavier than air.
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
Dilute hydrochloric acid is added in turn to a mixture of iron and sulphur and to the compound formed between iron and sulphur. Name the gas formed in each case.
Hydrogen chloride dissolves in water to form an acidic solution.
Name the experiment which demonstrates that hydrogen chloride is very soluble in water.
The diagram shows an apparatus for the laboratory preparation of hydrogen chloride.
(i) Identify A and B
(ii) Write the equation for the reaction
(iii) How would you check whether or not the gas jar is filled with hydrogen chloride?
(iv) What does the method of collection tell you about the density of hydrogen chloride.
The aim of the fountain experiment is to prove that
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
Identify the terms for the following:
A method used to collect HCl gas.
