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प्रश्न
Fill in the blank :
____________ discovered the oxygen gas.
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उत्तर
Joseph Priestly discovered the oxygen gas.
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संबंधित प्रश्न
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
State the precautions while preparing oxygen in the labo-ratory.
How will you obtain dry oxygen in the laboratory?
State two characteristics of Acidic oxides.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
The nitric oxide gas reacts with the oxygen and water vapour to form ______ vapour.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Phosphorous bums with suffocating smell and gives ______.
Oxygen is a poor conductor of heat and electricity.
Write about the combustible property of Oxygen.
