'Lipids are heterogenous group'. Comment.

"Lipids are a heterogeneous group of chemical substances'. Explain this statement with suitable examples.

The 'sea-water' can be classified as a homogeneous as well as heterogeneous mixture. Comment.

lipid may be

Ink is a heterogeneous mixture.

All lipids are

A heterogeneous mixture is

Why sometimes colloidal precipitate is obtained in group IV? Comment

The basic nature of hydroxides of group 13 (III-A) decreases progressively down the group. Comment.

A solution is a……….mixture. (heterogeneous / homogeneous).

What are the common oxidation states exhibited by the elements of group 14 ? Comment on their stability on moving down the group.