The correct answer is B
The acid used in lead storage cells is-
_________is the process in which acids and bases react to form salts and water.
Alum stops bleeding in minor cuts because of
Petroleum is a mixture of-
The nucleus of an atom consists of-
The fuel that is used in modern submarines is -
The element used in the manufacture of safety matches is —
Formation of ozone hole is maximum over
The element used in the manufacture of safety matches is —
Which one amongst the following is not a Green House gas?
