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प्रश्न
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
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उत्तर
When concentrated HCI is added to lead (IV) oxide and warmed, formation of metaI chloride, water and greenish yellow chlorine gas will occur.
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Write three equations to show that hydrochloric acid acts as an acid.
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
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, 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 your observation when dilute hydrochloric acid is added to sodium thiosulphate.
