Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses Higher atomic radii Higher densities Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Terylene Polyester Nylon Cotton Terylene Polyester Nylon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium phosphate Calcium phosphate Sodium silicate Calcium oxide Sodium phosphate Calcium phosphate Sodium silicate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Totally colourless Reduced by light Soluble in hyposolution Oxidised in air Totally colourless Reduced by light Soluble in hyposolution Oxidised in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
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