Chemistry Brass is made of Copper and tin Copper, tin and zinc Tin and lead Copper and zinc Copper and tin Copper, tin and zinc Tin and lead Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Samuel Cohen J. Robert Oppen Heimer Edward Teller Wernher Von Braun Samuel Cohen J. Robert Oppen Heimer Edward Teller Wernher Von Braun ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Blood Sodium chloride Cane-sugar Urea Blood Sodium chloride Cane-sugar Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Cockroaches White ants Mosquitoes Red ants Cockroaches White ants Mosquitoes Red ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Ca Na Mg K Ca Na Mg K ANSWER DOWNLOAD EXAMIANS APP