some basic concepts of chemistry class 11 | chemistry class 11 chapter 1
10 videos • 136 views • by Saroj Vidyapeeth Chemistry - 11th & 12th some basic concepts of chemistry class 11 | nature of matter | physical and chemical classification of matter | elements | compounds | mixtures | properties of matter and their measurement | physical and chemical properties | uncertainty in measurement | difference between precision and accuracy with examples | how to calculate numbers in scientific notations | rules of significant figures | rounding off rules | dimensional analysis | unit factor method | factor label method