Chemistry Ruby and sapphire are oxides of Copper Iron Tin Aluminium Copper Iron Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and benzene Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Butyric acid Caproic acid Acetic acid Formic acid Butyric acid Caproic acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 CuS PbCl2 Zn(OH)2 CaCl2 CuS PbCl2 Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Ozonolysis Hydrogenation Hydrolysis Oxidation Ozonolysis Hydrogenation Hydrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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