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प्रश्न
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
उत्तर
1. The experiment is the fountain experiment and is used to demonstrate solubility.
2. The colour of the water that has entered the round-bottomed flask is red.
APPEARS IN
संबंधित प्रश्न
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.
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.
(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.
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.
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.
State the following:
The drying agent used in the laboratory preparation of HCl gas.
