Write two points of difference between contact force and non- contact force.

Write three points of differences between artery and vein.

Write any four differences between chordates and non - chordates.

Write any two differeces between spontaneous and non-spontaneous processes.Evaporation of lake water is spontaneous or non-spontaneous process?

Distinguish between conservative and non-conservative forces .

Write two differences between ideal and non-ideal solution

Write two differences between ideal and non-ideal solutions.

Point out the difference between ideal solution and non-ideal solution.