Advertisements
Advertisements
प्रश्न
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
Advertisements
उत्तर
Hydrogen: Bums with a pale-blue flame when a burning splint is brought near it.
Oxygen: The gas turns an alkaline solution of pyrogallol dark brown.
APPEARS IN
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?
Define catalytic hydrogenation.
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
Multiple Choice Question
Hydrogen is responsible for producing
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
Choose the correct option:
The composition of the nucleus of deuterium is
Correct the following statement:
Hydrogen is dried by passing it through conc. H2SO4.
Give equations for the reactions.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
