Questions: Solution: Q.18 Q.19 Answer = 32 In radius = 4 Let tangents fro A be p, tangents from B be q and tangents from C be r. So, AB+BC-AC = 8. q+q = 8, q = 4. Same...
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...