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प्रश्न
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
पर्याय
water gas
water
producer gas
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उत्तर
The product formed on combustion of hydrogen in air is water.
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संबंधित प्रश्न
For laboratory preparation of hydrogen, give the following:
chemical equation
Why nitric acid is not used in the preparation of hydrogen?
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric acid and concentrated nitric acid would you choose? Explain why you would not use the acids you reject.
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Name an element whsich reacts violently with water at room temperature.
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{NaAlO2 + H2}\]
