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प्रश्न
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
उत्तर
\[\ce{Zn + H2O->ZnO + H2}\]
\[\ce{3Fe + 4H2O⇌Fe3O4 + 4H2}\]
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संबंधित प्रश्न
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the metals copper, zinc, magnesium or sodium would be the most suitable?
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Select the correct options for the following statement:
A foul smelling gas formed when hydrogen reacts with a molten non-metal, is ___.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Aluminium - 2Al + 2NaOH + 2H2O → ______ + _______ [g]
2Al + 2KOH + 2H2O → _____ + _____ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
