B purchased 15 kg apples at the rate of 180 per kg from

Which one amongst the following is  not a Green House gas?

The acid used in lead storage cells is-

The element used for making solar cells is

The important ore of aluminium is-

Milk tastes sour when kept in the open for sometimes due to the formation of-

Which one amongst the following is not a Green House gas?

_________is the process in which acids and bases react to form salts and water.

The element used in the manufacture of safety matches is —

The chemical name of'Common salt’

The pH of a neutral solution is —