Which of the following is a physical change?
The major component of honey is-
The absolute value of the charge on electron was determined by-
The pH of a neutral solution is —
______is the process in which acids and bases react to form salts and water
The major constituent of air is
Petroleum is a mixture of-
One of the constituents of tear gas is
The acid used in lead storage cells is-
The chemical name of'Common salt’
