Advertisements
Advertisements
प्रश्न
How will you identify oxygen in the laboratory ?
Advertisements
उत्तर
Oxygen is a colourless and odourless gas which rekindles a glow¬ing splinter.
APPEARS IN
संबंधित प्रश्न
Two substances which undergo rapid oxidation.
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
Why is potassium chlorate not used for laboratory preparation of oxygen ?
How is oxygen naturally renewed in air ?
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Fill in the blank:
Oxygen occupies about ______ of air by volume.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
