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प्रश्न
Complete and balance the following reaction.
Zn + HCl →_____________ +___________
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उत्तर
Zn + 2HCl → ZnCl2 + H2
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संबंधित प्रश्न
How do different metals displace hydrogen from water? Explain with the help of equations.
For laboratory preparation of hydrogen, give the following:
materials used
Give reason for the following:
Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
How would you modify your apparatus to collect dry hydrogen? Which drying agent would you employ for this purpose?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
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 with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
