Advertisements
Advertisements
Question
State two characteristics of Basic oxides.
Advertisements
Solution
Basic oxide
- Formed when metals are burnt in air
- turn red litmus to blue.
eg. potassium oxide [K2O]
APPEARS IN
RELATED QUESTIONS
Why is oxygen collected by downward displacement of water?
Fill in the blank :
____________ discovered the oxygen gas.
The natural way of adding oxygen to air which involves green plants is called
Fill in the blank:
Oxygen is slightly _________ than air.
Fill in the blank:
Manganese dioxide acts as a _________.
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.
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.
Oxygen is a poor conductor of heat and electricity.
