Introduction: Anything that occupies space and has mass is called matter. Matter can be divided into two types. Pure substance: It consists single types of particles which are identical and same characteristics. Mixtures:...
1.On heating lime stone release of which glass? Ans. carbon dioxide 2. Plaster of Paris made from? Ans. Gypsum 3.What is the pH of a solution of ph zero? Ans. Acidic 4.setting of plaster of Paris...