Advertisements
Advertisements
प्रश्न
What happens when mercuric oxide is heated?
Advertisements
उत्तर
When mercuric oxide is heated, it decomposes to give mercury and oxygen.
APPEARS IN
संबंधित प्रश्न
A chemical called oxygenated water.
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Give four uses of oxygen.
Fill in the blank :
____________ discovered the oxygen gas.
State two characteristics of Acidic oxides.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
Tick (√ ) the most appropriate answer.
Sodium burns in oxygen with a flame which 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.
