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प्रश्न
Explain the following:
Two jars of H2 are collected – “one burns quietly and the other does not”.
उत्तर
‘One burn quietly’ is pure hydrogen, and ‘which does not bum quietly’ is mixed hydrogen with air. It explodes on burning.
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Indicate which of the following statement is true and which is false:
Hydrogen is combustible as well as a supporter of combustion.
Give a balanced chemical equation for the reaction.
Multiple Choice Question
Hydrogen is responsible for producing
Multiple Choice Question
Hydrogen is
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Give the balanced equation of the reaction.
How is hydrogen separated from carbon dioxide and carbon monoxide?
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
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.
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
Write correctly the balanced equation for the following:
‘When zinc filings are added to a concentrated solution of sodium hydroxide’.
Give balanced equation for obtaining hydrogen from cold water using a monovalent active metal.
