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प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
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उत्तर
Reactant added to obtain:
Hydrogen sulphide: Hydrogen and sulphur.
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संबंधित प्रश्न
Give reason for the following:
Though hydrogen is lighter than air it cannot be collected by downward displacement of air.
Where does hydrogen occur in a free state?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Correct the following statement:
Hydrogen is separated from CO by passing the mixture through caustic potash solution.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Zinc - Zn + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Aluminium - 2Al + 2NaOH + 2H2O → ______ + _______ [g]
2Al + 2KOH + 2H2O → _____ + _____ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
