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प्रश्न
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
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उत्तर
Zn + H2O → ZnO + H2
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संबंधित प्रश्न
Which metal is preferred for the preparation of hydrogen?
from acid?
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
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
Starting from hydrogen gas how would you obtain a basic gas.
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Account for the following fact:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid.
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
