Advertisements
Advertisements
प्रश्न
State three uses of oxygen, other than artificial respiration.
Advertisements
उत्तर
Uses of oxygen are :
- Spaceships : Liquid oxygen is used for burning fuel in rockets and spaceships as there is no air in the space.
- Cutting and welding : Oxygen and hydrogen are made to bum in a specially designed torch. The oxy- hydrogen flame can easily melt metals and used for cutting and welding them.
- Chemical industry : Oxygen is used in large amount for preparing sulphuric acid from sulphur and nitric acid from ammonia.
APPEARS IN
संबंधित प्रश्न
A chemical called oxygenated water.
An oxide and a carbonate containing oxygen.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
Give balanced equation to obtain oxygen from Silver oxide.
State the precautions while preparing oxygen in the labo-ratory.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
State any four physical properties of oxygen gas.
Write fully balanced equation for the following :
Na2O + H2O →
