What is the nature of flame when a saturated hydrocarbon is burnt?

What is aromatic hydrocarbon?

What is the nature of cell-walls in diatoms?

What is the nature of image formed by a convex mirror?

Name two natural sources of hydrocarbons.

What is the nature of magnetic susceptibility.

What is the nature of the image formed by a concave mirror if the magnification produced by the mirror is + 3?

What is the monomer unit of natural rubber?

What is the nature of the final image in an astronomical telescope?

What is dead burnt plaster?