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प्रश्न
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
उत्तर
Zn + 2HCl → ZnCl2 + H2
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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.
Write three equations to show that hydrochloric acid acts as an acid.
Write the uses of hydrochIoric acid.
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.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
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:
Action of dilute HCl or sodium sulphite.
State your observation when dilute hydrochloric acid is added to sodium thisulphate.
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.
