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Question
The aim of the Fountain experiment is to prove that ______.
Options
HCl turns blue litmus red.
HCl is denser than air.
HCl is highly soluble in water.
HCl fumes in moist air.
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Solution
The aim of the Fountain experiment is to prove that HCl is highly soluble in water.
RELATED QUESTIONS
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.
Name :
Two colourless gases which when mixed produce a white solid.
How can you prove that hydrochloric acid contain :
Chlorine?
Name two gases which combine chemically to form a solid.
Hydrogen chloride gas is very soluble in water. It is dissolved in water to prepare hydrochloric acid by using an anti-suction device, as shown in the diagram. Very briefly explain how this device prevents the suction of water into the flask, in which hydrogen chloride gas is produced.
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.

(a) Name the experiment illustrate above.
(b) Which property of hydrogen chloride is demonstrated by this experiment?
(c) State the colour of the water that has entered the round-bottomed flask.
- 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.
