Hardest naturally occuring substance
A form of carbon used in Gas masks
The gas used in the Refrigerator is:
Estimation of halogens in organic compound is done by
The metal which does not react with dilute sulphuric acid:
In free state, hydrogen is present in:
The disease caused by the deficiency of vitamin A
Which is the function of the white blood corpuscles?
Which of the process liberates energy?
The working principle of Optical Fibre Cables:
Lightning Conductor was discovered by:
The chemical added to give particular smell to LPG:
The fuse of household circuit is a thin wire and it is made up of:
Normally liquids flow downwards, there are situations where liquids flows upward. This property of the liquid is called:
The Atomic number of Aluminium :