Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Ruby Emerald Pearl Sapphire Ruby Emerald Pearl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Kerosene oil Ether Oxalic acid Alcohol Kerosene oil Ether Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Silicon Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Terylene Viscose Cotton Rayon Terylene Viscose Cotton Rayon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Protons Electrons None of these Neutrons Protons Electrons None of these Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP