(C) Calcium chloride $(CaCl_2)$ is a well-known dehydrating agent or desiccant.When hydrogen chloride $(HCl)$ gas is prepared,it may contain water vap

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(C) Calcium chloride $(CaCl_2)$ is a well-known dehydrating agent or desiccant.When hydrogen chloride $(HCl)$ gas is prepared,it may contain water vapor,especially on a humid day.To obtain dry $HCl$ gas,it is passed through a guard tube containing anhydrous calcium chloride.This substance absorbs the moisture (water vapor) present in the gas,ensuring that the resulting $HCl$ gas is dry.

Class 10 Science Acids, Bases and Salts Mix Examples - Acids, Bases and Salts

Medium

During the preparation of hydrogen chloride gas on a humid day,the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

A
absorb the evolved gas
B
moisten the gas
C
absorb moisture from the gas
D
absorb $Cl^-$ ions from the evolved gas

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Mix Examples - Acids, Bases and Salts

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During the preparation of hydrogen chloride gas on a humid day,the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

Similar Questions

If $[H_3O^+] = 10^{-6} \ M$ in an aqueous solution,what is the $pH$ of the solution?

Crystals of copper sulphate are heated in a test tube for some time.$(a)$ What is the colour of copper sulphate crystals:$(i)$ before heating, and $(ii)$ after heating?

Write true or false for the following statement:The separation of $H^+$ ions from $HCl$ molecules can occur in the absence of water.

At which value of $pH$ of the inner side of the mouth does the decay of teeth take place?

Differentiate between strong electrolytes and weak electrolytes. Mention two examples each.

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Crystals of copper sulphate are heated in a test tube for some time.
$(a)$ What is the colour of copper sulphate crystals:
$(i)$ before heating, and $(ii)$ after heating?

Write true or false for the following statement:
The separation of $H^+$ ions from $HCl$ molecules can occur in the absence of water.