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प्रश्न
Name :
Two colourless gases which when mixed produce a white solid.
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उत्तर
HCI and NH3 are two colourless gases which when mixed produce a white solid.
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संबंधित प्रश्न
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.
Describe an experiment to prove the following:
HCI gas is heavier than air.
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.
How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?
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.
- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.

What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
