Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Bromine is a
black solid
red liquid
colourless gas
highly inflammable gas
The hardest substance available on earth is
Gold
Iron
Diamond
Platinum
The variety of coal in which the deposit contains recognisable traces of the original plant material is
bitumen
anthracite
lignite
peat
Tetraethyl lead is used as
pain killer
fire extinguisher
mosquito repellent
petrol additive
Which of the following is used as a lubricant?
Graphite
Silica
Iron Oxide
