Advertisements
Advertisements
प्रश्न
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Advertisements
उत्तर
Oxygen is collected by the downward displacement of water.
APPEARS IN
संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
Why is oxygen collected by downward displacement of water?
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
How is oxygen naturally renewed in air ?
The natural way of adding oxygen to air which involves green plants is called
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
State two characteristics of Basic oxides.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
Write a note on the rusting process.
