When a computer stops suddenly, it is referred to as a
The correct answer is C
Manganite is an ore/mineral of
The gas usually causing explosions in coal mines is-
Who developed Hydrogen Bomb?
Which of the following is an iron ore ?
What happens to the weight of Iron, when it rusts?
Which mineral is the ore Of aluminium?
Electric bulbs are filled with :
The major component of honey is-