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प्रश्न
Identify the terms for the following:
A method used to collect HCl gas.
उत्तर
Upward displacement of air (or downward delivery)
Explanation:
HCl gas is heavier than air therefore it is collected by displacing air from a downward position to an upward position. The HCl gas is collected at the bottom of the container. This process is known as upward displacement of air.
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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.
Describe an experiment to prove the following:
HCI gas is heavier than air.
How can you prove that hydrochloric acid contain :
Chlorine?
How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
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 following question is pertaining to the laboratory preparation of hydrogen chloride gas.
Write the equation for its preparation mentioning the condition required.
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.
State the following:
The drying agent used in the laboratory preparation of HCl gas.
