What is bt cotton bt brijal

How how can we determine the valency

What is the main demerit of Mendeleev periodic table

Which is the oxidant used for purification of drinking water

What is the the difference in the process of dissolution and a chemical reactions

Is it possible to to produce hydrogen bye decomposition of water of heat electricity and light

What is the use of silver nitrate

On which side of the period did you find non metals

What is the relationship between the electronic configuration of an element and it's valency