Chemistry Which of the following is a natural polymer? Nylon Starch Polythene Bakelite Nylon Starch Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Edward Teller Wernher Von Braun J. Robert Oppen Heimer Samuel Cohen Edward Teller Wernher Von Braun J. Robert Oppen Heimer Samuel Cohen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO CO2 O3 All of these CO CO2 O3 All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Gypsum salt Green vitriol Blue vitriol Epsom salt Gypsum salt Green vitriol Blue vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP