Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Freon Oxygen Neon Nitrogen Freon Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : Transparent A good conductor Highly volatile Liquid Transparent A good conductor Highly volatile Liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Iodine Vanadium Argon Sulphur Iodine Vanadium Argon Sulphur ANSWER DOWNLOAD EXAMIANS APP
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