Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 3 5 8 13 3 5 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Fertilizer Disinfectant Insecticide Pesticide Fertilizer Disinfectant Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Carbohydrate Cellulose Fat Protein Carbohydrate Cellulose Fat Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas ANSWER DOWNLOAD EXAMIANS APP