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प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
उत्तर
Reactant added to obtain:
Hydrogen sulphide: Hydrogen and sulphur.
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संबंधित प्रश्न
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Which metal is preferred for the preparation of hydrogen?
from acid?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Al + H2SO4 →_____________ +___________
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
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.
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{NaAlO2 + H2}\]
