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प्रश्न
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
विकल्प
dilute acid
dilute alkali
cold water
conc. alkali
boiling water
conc. acid
steam
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उत्तर
Reactant added to get the product:
\[\ce{Fe3O4 + H2:Steam}\]
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संबंधित प्रश्न
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
Complete and balance the following reaction.
Zn + HCl →_____________ +___________
Starting from hydrogen gas how would you obtain a metal by reduction of its heated oxide.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Al2(SO4)3 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
