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Question
Name the following.
A gaseous reducing agent which is basic in nature.
Solution
Ammonia gas \[\ce{(NH3)}\]
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RELATED QUESTIONS
Give reason for the following:
Nitric acid not used for the preparation of hydrogen gas?
Name the following:
A metallic oxide which can be reduced into metal by hydrogen.
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How would you show that hydrogen is a non-supporter of combustion?
Multiple Choice Question
In metal activity series the more reactive metals are at
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Sodium liberates hydrogen when treated with cold .............
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........................ zinc is preferred over pure zinc in the laboratory preparation of hydrogen.
Why is granulated zinc preferred in the laboratory preparation of hydrogen?
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How can these impurities be removed?
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Apparatus for laboratory preparation of hydrogen should be airtight and away from a naked flame.
Starting from zinc how would you obtain hydrogen using a dilute acid.
[Give balanced equation & name the product formed in the case other than hydrogen].
Name a metal which will not react with the reactants above to give hydrogen.
Complete and balance the equation:
[Laboratory method]
By action of dilute acid on zinc
Zinc - Zn + 2HCl → _____ + _____ [g]
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The complete apparatus is air-tight.
Give a reason for the following.
Nitric acid in the dilute form is not used in the laboratory preparation of hydrogen from metals.
The diagram represent the preparation and collection of hydrogen by a standard laboratory method.
Name a solution which absorbs the impurity – `"H"_2"S"`
