What are the main constituents of dettol?

What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river.

What are the constituent of cement?

The touch receptors are either free dendritic endings or encapsulated dendritic endings present in the skin. a) What are the main functions of receptors of free dendritic endings ? b) Name the main receptors of encapsulated dendritic endings. Give its functions.

LPG is one of the common fuel for domestic use . Which is the main constituent of LPG ?

Observe the fast and complete combustion of a flat paper.Understand that combustion of a crumbled paper make more smoke. Name the main constituent of CNG.