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प्रश्न
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Ca(OH)2 + H2}\]
पर्याय
dilute acid
dilute alkali
cold water
conc. alkali
boiling water
conc. acid
steam
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उत्तर
Reactant added to get the product:
\[\ce{Ca(OH)2 + H2:Cold water}\]
APPEARS IN
संबंधित प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
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For laboratory preparation of hydrogen, give the following:
chemical equation
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Zn + HCl →_____________ +___________
Complete and balance the equation:
[General method]
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Complete and balance the equation:
[General method]
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Magnesium - Mg + H2O → ______+ _______ [g]
Account for the following fact:
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Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{MgO + H2}\]
