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प्रश्न
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.
उत्तर
CO32−
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Explain, why (or give reasons for)
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled.
Give two tests for hydrochloric acid.
Write the uses of hydrochIoric acid.
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
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:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
State your observation when dilute hydrochloric acid is added to sodium thisulphate.
