Chemistry The percentage of oxygen in air is approximately 1 0.01 0.78 0.21 1 0.01 0.78 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Aluminium Iron Copper Tin Aluminium Iron Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and N2 O3 and N2 O2 and O3 Oxides of N and S O2 and N2 O3 and N2 O2 and O3 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum ANSWER DOWNLOAD EXAMIANS APP
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