Empirical formula of benzene is:

Lower layer of atmosphere is extended upto

Thousands of amino acids polymerize to form:-

Which gas is called green house gas:-

Height of stratosphere from the earth's surface is:-

Source of simple sugar is

Fat soluble vitamin are

1st period has elements:

Which element has no neutron in its atom:-

At room temperature, fluorine & chlorine exist as:

Which of the following statement is true about forward reaction:-

Major part of a living body with respect to mass is made up of:

Buildings are being damaged by the acid rain because it attack on:-

A freezing point which one of the following coexists in dynamic equilibrium

Gram atomic mass of Hydrogen is:

Who discovered proton?

Hydrochloric acid was prepared by:-

Alcohol in water is example of solution:-

A solution H CL is 0.001M .what is pH value?

The Molar Mas of H2SO4 is:

If the solute-solute forces are stronger than solute solvent forces. The solute:-

In the beginning reverse reaction is :

Which one of the following is less malleable:

How many natural system of earth is divided

About 99% of atmospheric mass lies within:-