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
Alum is used as
an analgesic
a fertilizer
a disinfectant
a purifier for water
Which among the following elements (metals) pollutes the air of a city with many automobiles
Cadmium
Lead
Chromium
Nickel
Oxygen and Ozone are
Allotropes
Isomers
Isotopes
Isobars
When applied to the affected area, which one of the following will relieve the pain due to anti-bite or bee-sting
Lemon juice
Vinegar
Baking soda
Caustic soda
Which among the following is a chemical change?
A wet towel dries in the sun
Lemon juice is added to the tea causing its colour to change
Hot air rises over the radiator
Coffee is brewed by passing the stream through ground coffee
