The absolute refractive index of air is
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The outermost layer of sun is called
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
Which is known as carbolic acid?
Oxide of which of the following will turn red litmus blue?
According to an early Indian philosopher everything is made up of ___ basic elements.
The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
In which city of India is Dhamek Stupa located?