Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? One million Ten million Half a million Two million One million Ten million Half a million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO2 SO3 NH4Cl H2O SO2 SO3 NH4Cl H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Lignite Dolomite Copper Bauxite Lignite Dolomite Copper Bauxite ANSWER DOWNLOAD EXAMIANS APP
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