GENERAL CHEMISTRY 1

Mass of a unit volume of a material substance.

Have neither a definite volume nor a definite shape.

Who was the first to described plasma in 1920's?

It is a process by which ions are formed by gain or loss of an electron from an atom or molecule.

Boson is named in honour of ______.

It is made up of gluons and quarks.

A state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value.

Classification of matter

Which picture is a pure substance?

• A,B,C and D

• A,B and C

• A and B

• D

Which picture is a mixture?

• A,B,C, and D

• A,B, and C

• A and B

• D