Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 200 km 150 km 100 km 300 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetic acid Phenyl acetate Acetophenone Acetone Acetic acid Phenyl acetate Acetophenone Acetone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Ether Oxalic acid Kerosene oil Alcohol Ether Oxalic acid Kerosene oil Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic numbers Higher atomic masses Higher densities Higher atomic radii Higher atomic numbers Higher atomic masses Higher densities Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Copper Lead Mercury Zinc Copper Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
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