Chemistry The main active constituent of tea and coffee is chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap 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