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Question
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
Options
Nickel
Sodium
Iron
Iron [III] oxide
Magnesium oxide
Solution
Iron
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........................... means ‘maker of water’ in Greek.
Which metal is preferred for the preparation of hydrogen?
from acid?
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Mg + H2O →_____________ +___________
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Fe + HCl →_____________ +___________
Give reason:
A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
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Steam using a trivalent metal
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
