Chemistry Which among the following metals provides amphoteric oxide ? Calcium Aluminium Silver Sodium Calcium Aluminium Silver Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Helium Hydrogen Nitrogen Argon Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of None of these Polymer Acrylic Polyester None of these Polymer Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Methyl alcohol Phenol Propyl alcohol Methane Methyl alcohol Phenol Propyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Alcohol Sulphur Nitrogen Silicon Alcohol Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP