DOWNLOAD ECAT PAST PAPERS

The oxide of Beryllium is ________.

The total number of transitions elements is:

Silver bromide is used in ____.

Tincal is a mineral of

The milk of magnesia is used for the treatment of ____.

The brown gas formed when metal reduces HNO3 is.

First transitions series starts with:

Potassium oxides is a _________

The variable valency is the characteristic of _______?

The chemical compositions of cinnabar is ____.