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प्रश्न
Correct the following statement:
Hydrogen is dried by passing it through conc. H2SO4.
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उत्तर
Hydrogen is dried by passing it through calcium chloride, caustic potash, and phosphorous pentoxide.
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
Complete and balance the following equation:
H2+____________→ 2HCI
Give reason for the following:
A pop sound produced when hydrogen is burnt?
Give a balanced chemical equation for the reaction.
Multiple Choice Question
Hydrogen is responsible for producing
Multiple Choice Question
Hydrogen is
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Give the balanced equation of the reaction.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine is ______ to HCl.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
When steam is passed over red-hot iron, magnetic oxide of iron and hydrogen are obtained. “The reaction between steam and red-hot iron is a Reversible Reaction.” What is meant by this statement.
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
