Advertisements
Advertisements
प्रश्न
Give tests for oxygen gas.
Advertisements
उत्तर
Tests for oxygen gas are :
- It rekindles glowing wooden splinter.
- If mixed with colourless nitric oxide gas, it forms reddish brown fumes of nitrogen dioxide.
- It dissolves in alkaline pyrogallol solution and turns it brown.
APPEARS IN
संबंधित प्रश्न
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when a glowing splinter is introduced in a jar containing oxygen ?
Give four uses of oxygen.
Fill in the blank:
Oxygen is slightly _________ than air.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
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.
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
Write about the combustible property of Oxygen.
Write the reaction of oxygen with non–metals.
