Chemistry The percentage of oxygen in air is approximately 0.21 1 0.78 0.01 0.21 1 0.78 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Hydrogen Coal Kerosene Diesel Hydrogen Coal Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of zinc on iron Deposition of tin on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of zinc on iron Deposition of tin on iron Deposition of aluminium on iron Deposition of copper on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Acidic dye Vitamin Plant hormone Secondary pollutant Acidic dye Vitamin Plant hormone Secondary pollutant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy in always released More energy is released than is absorbed Energy is neither released nor absorbed Energy is always absorbed Energy in always released More energy is released than is absorbed Energy is neither released nor absorbed Energy is always absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
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