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प्रश्न
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
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उत्तर
Carbon dioxide gas has no effect on acidified KMnO4 or K2Cr2O7, but sulphur dioxide turns potassium permanganate from pink to colourless.
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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.
Describe an experiment to prove the following:
HCI is highly soluble in water.
Write the uses of hydrochIoric acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Aqua-regia is a mixture of ___________ .
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.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
Why is hydrogen chloride not collected over water?
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
