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
A monatomic species that has 18 electrons and a net charge of 2 has ?
the same number of electrons as a neutral argon atom
more protons than electrons
2 unpaired electrons
20 protons
Light waves projected on oil surface show seven colours due to the phenomenon of
polarization
refraction
reflection
interference
Leprosy is caused by
virus
bacteria
protozoa
retrovirus
A sample of gas is to be identified by means of its behaviour in the presence of a glowing splint. Which of the following gases will neither itself burn nor cause the splint to burn?
Oxygen
Nitrogen
Hydrogen
Methane
Match List - I with List-II and select the correct answer using the code given below the Lists:
List – I (Geographical process) List – I (Type of geographic feature)
A) Cirque 1) Erosional feature of wind
B) Yardang 2) Depositional feature of glacier
C) Barkhan 3) Depositional feature of wind
D) Drumlin 4) Erosional feature of glacier
A-4 B-1 C-3 D-2
A-4 B-3 C-1 D-2
A-2 B-3 C-1 D-4
A-2 B-1 C-3 D-4