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प्रश्न
Give a balanced equation for the following conversions sodium plumbite from lead.
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उत्तर
Sodium plumbite from lead
\[\ce{Pb + 2NaOH -> \underset{Sodium plumbite}{Na2PO2} + H2}\]
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
Zinc can liberate hydrogen from water, acid and alkali solution.
FILL IN THE BLANK
Sodium liberates hydrogen when treated with cold .............
Under what conditions can hydrogen be made to combine with chlorine?
Name the products and write the equation for the reaction.
How would you show that hydrogen is lighter than air?
Starting from zinc how would you obtain hydrogen using Steam.
[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.
In the laboratory preparation of hydrogen from zinc & dilute hydrocholoric acid – state a reason for the addition of traces of copper [II] sulphate to the reaction medium.
Give reason for the following:
Copper does not displace hydrogen from dilute hydrochloric acid, but zinc does.
In the laboratory preparation of hydrogen from zinc and dil. acid. Give a reason for the following:
Dilute nitric acid is not preferred as the reactant acid.
In the laboratory preparation of hydrogen from zinc and dil. acid. Give a reason for the following:
Hydrogen is not collected over air.
The diagram represent the preparation and collection of hydrogen by a standard
laboratory method.
State what is added through the thistle funnel ‘Y’
