Chemistry The metal extracted from Bauxite is : Aluminum Copper Manganese Silver Aluminum Copper Manganese Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Esterification Test FeCl3Test Ozonolysis Reaction Tollen's Reagent Test Esterification Test FeCl3Test Ozonolysis Reaction Tollen's Reagent Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Fluorine Bromine Iodine Chlorine Fluorine Bromine Iodine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Auatic fungi Aquatic macrophytes Effluents Evapotranspiration Auatic fungi Aquatic macrophytes Effluents Evapotranspiration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane ANSWER DOWNLOAD EXAMIANS APP