Explain the difference between emission and absorpation spectra.

Explain the difference between prism and pyramid.

Distinguish between emission and absorption spectrum.

Explain the difference between Buna -N and Buna-S .

Explain the differences between living and non living things.

Explain the difference between the 'nich' of an organism and its 'habitat'.

Explain difference between 2 O, O_2 and O_3 .

Explain the differences between thermoplastics and thermosetting plastics with the help of a diagram explaning interms of arrangements of monomers.