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प्रश्न
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
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उत्तर
\[\ce{Zn + H2O->ZnO + H2}\]
\[\ce{3Fe + 4H2O⇌Fe3O4 + 4H2}\]
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संबंधित प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Name the following:
Two metals which give hydrogen with cold water.
Multiple Choice Question
Water gas is a mixture of
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
Why hot concentrated sulphuric acid is not used in the preparation of hydrogen?
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
State the electronic configuration of hydrogen [at. no. 1].e
Give a reason why hydrogen can be placed in group 1 [1A] and group 17 [VIIA] of the periodic table.
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
