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प्रश्न
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
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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.
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.
The aim of the Fountain experiment is to prove that ______.
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 the following:
Gas obtained by treating metals with hydrochloric acid.
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.
Hydrogen chloride dissolves in water to form an acidic solution.
Name the experiment which demonstrates that hydrogen chloride is very soluble in water.
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
Write the equation for its preparation, mentioning the condition required.
State the following:
The drying agent used in the laboratory preparation of HCl gas.
