Chemistry The iron ore which contains 72% of iron is : Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Galvanisation Sublimation Corrosion Reduction Galvanisation Sublimation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Chloro fluoro carbon Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon Carbon dioxide Sulphur dioxide Ethane 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
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