Chemistry Ozone depletion in the stratosphere is mainly caused by Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 SO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Bronze Brass Copper Silver Bronze Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Face cream Milk Shaving cream Cheese Face cream Milk Shaving cream Cheese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Alcohol Sodium chloride Carbon dioxide Chlorine Alcohol Sodium chloride Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP