Advertisements
Advertisements
Question
Fill in the blank:
Manganese dioxide acts as a _________.
Solution
Manganese dioxide acts as a catalyst.
APPEARS IN
RELATED QUESTIONS
A chemical called oxygenated water.
What happens when a glowing splinter is introduced in a jar containing oxygen ?
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
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.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
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.
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.
Write about the combustible property of Oxygen.
