Advertisements
Advertisements
Question
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Advertisements
Solution
Oxygen is collected by the downward displacement of water.
APPEARS IN
RELATED QUESTIONS
A chemical called oxygenated water.
What happens when potassium nitrate is heated
How is oxygen naturally renewed in air ?
The natural way of adding oxygen to air which involves green plants is called
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.
Statement given below is incorrect. Write the correct statement :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
Tick (√ ) the most appropriate answer.
Sodium burns in oxygen with a flame which is :
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Write the reaction of oxygen with non–metals.
