If mean and mode of the distribution is 32 and 21, then

The scientific name of vitamin B12 is :

Which alkali metal is represented by the atomic number 3?

As an air bubble rises from the bottom of a lake to the surface, it will:

Which of the following component imparts green colour to leaves?

Lexan is a man-made polymer used for making

What is the chemical name of Plaster of Paris?

Based on the periodic trends for ionization energy, which element has the highest ionization energy?

When acid reacts with metal carbonate, _______ is/are formed.

What is the boiling point of water at sea level.

"Schist" is the example of which type of rock?