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प्रश्न
The following question is pertaining to the laboratory pertaining hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
उत्तर
Always wear chemical splash goggles, chemical-resistant gloves and a chemical-resistant apron in the laboratory during the preparation of hydrochloric acid.
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संबंधित प्रश्न
Explain, why (or give reasons for)
A solution of HCl gas in water turns blue litmus red and conducts electricity, while HCI gas dissolves in toluene and it has no effect on litmus and does not conduct electricity.
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
What would happen if :
Concentrated hydrochloric acid is kept open.
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Describe an experiment to prove the following:
HCI is highly soluble in water.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Aqua regia is a mixture of ______.
In the laboratory preparation of hydrochloric acid, \[\ce{HCl}\] gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of \[\ce{HCl}\] gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of \[\ce{HCl}\] gas when the reactants are:
- Below 200°C
- Above 200°C
State one appropriate observation of the following :
Copper sulphate is treated with dilute hydrochloric acid
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
