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प्रश्न
Name a gas which burns in air or oxygen forming water.
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उत्तर
The gas that burns in oxygen to form water is hydrogen.
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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:
Helium replaced hydrogen in weather observation balloons?
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
Multiple Choice Question
Hydrogen is responsible for producing
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
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.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
Explain the following:
Two jars of H2 are collected – “one burns quietly and the other does not”.
Describe briefly, with equations, the Bosch Process for the large scale production of hydrogen.
Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
