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प्रश्न
Name the following:
Gas obtained by treating metals with hydrochloric acid.
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उत्तर
Gas obtained by treating metals with hydrochloric acid is hydrogen gas.
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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.
Name :
Two colourless gases which when mixed produce a white solid.
Describe an experiment to prove the following:
HCI gas is heavier than air.
How can you prove that hydrochloric acid contain :
Chlorine?
Choose the correct answer from the options given below: HCl gas can be prepared by direct combination of hydrogen and chlorine gas in presence of
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.
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.
Study the figure given below and answer that questions that follow:
(i) Identify the gas Y.
(ii) What property of gas Y does this experiment demonstrate?
(iii) Name another gas which has the same property and can be demonstrated through this experiment.
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
