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
Chemical name of Gammexane is_______.
Toluene
Chloro benzene
Aniline
Benzene hexachloride
The chemical name of vinegar is
Methanol
Ethanol
Acetic acid
Ethyl acetate
Chemical name of washing soda is:
Sodium chloride
Sodium hydrogen carbonate
Sodium carbonate
Sodium hydroxide
Physical changes are ___________ and chemical changes are_________
Reversible, irreversible
Irreversible, reversible
Reversible only
Irreversible only
Select the physical changes from the following:
Liquidation
Frost
Freeze drying
All of these
