Chemistry The lightest gas which is non-inflammable is Helium Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 4 8 Zero –4 4 8 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Adsorption Oxidation Bleaching Reduction Adsorption Oxidation Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Coal tar Wool wax Petroleum Plant gums Coal tar Wool wax Petroleum Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 0.02 3-5% 10-15% 7-9% 0.02 3-5% 10-15% 7-9% ANSWER DOWNLOAD EXAMIANS APP
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