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Question
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
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Solution
Magnesium - Mg + H2O → MgO + H2 [g]
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Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
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In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
For laboratory preparation of hydrogen, give the following:
chemical equation
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Complete and balance the following reaction.
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.
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
