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प्रश्न
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
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उत्तर
Always wear chemical splash goggles, chemical-resistant gloves and a chemical-resistant apron in the laboratory during the preparation of hydrochloric acid.
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.
What would happen if :
Concentrated hydrochloric acid is kept open.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of 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 HCl gas when the reaction is:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
