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
Magnets attract magnetic substances such as iron, nickel, cobalt etc. They can also repel :
paramagnetic substances.
ferromagnetic substances.,
diamagnetic substances
non-magnetic substances.
When a ray of light is going from one medium to another, its:
Wavelength remains same.
Frequency remains same.
Frequency increases
Wavelength increases.
Which one among the following is the main ingredient in cement?
Gypsum
Limestone
Clay
Ash
Glass is a:
Crystalline solid
Solid having a definite melting point
Supercooled liquid
Chemical compound
Solution in test tubes containing H2O and aqueous NaOH can be differentiated with the help of
red litmus
blue litmus
Na2CO
HCl (aqueous)
