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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)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
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
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Give two tests for hydrochloric acid.
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
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:
Action of dilute HCl or sodium sulphite.
