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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.
Study the figure given below and answer the questions which follow:
- Identify the gas Y.
- What property of gas Y does this experiment demonstrate?
- Name another gas which has the same property and can be demonstrated through this experiment.
Name :
Two colourless gases which when mixed produce a white solid.
Name the drying agent used to dry HCl gas.
Describe an experiment to prove the following:
HCI gas is heavier than air.
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.
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.
