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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
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Solution
Iron
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RELATED QUESTIONS
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white substance which leaves an amphoteric oxide as a residue [whose colour varies in the heated and in the cold state] and evolves a gas which turns lime water milky.
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Magnesium - Mg + 2HCl → ______+ _______ [g]
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Ca(OH)2 + H2}\]
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{MgO + H2}\]
