Question
In which industry is silicon used and from where its obtained?
Solution
Silicon is used in the computer industry and is obtained from quartz.
In which industry is silicon used and from where its obtained?
Silicon is used in the computer industry and is obtained from quartz.
Give reasons.
Environmental aspects must be carefully looked into before building huge dams.
Give reasons.
Most industries are concentrated around coal mines.
Give reasons.
Petroleum is referred to as 'black gold'.
Give reasons.
Quarrying can become a major environmental concern.
Distinguish between the fallowings.
(i) Conventional and non-conventional sources of energy.
Distinguish between the fallowings.
Biogas and natural gas.
Distinguish between the fallowings.
Ferrous and nonferrous minerals
Distinguish between the fallowings.
Metallic and nonmetallic minerals.
Which of these is a non-metallic mineral?
Which continent produces more than half of the world's tin?
Mock Test Series
