Chemistry The main active constituent of tea and coffee is chlorophyll caffeine aspirin nicotine chlorophyll caffeine aspirin nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is None of these ethyl alcohol vinyl chloride ethylene None of these ethyl alcohol vinyl chloride ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Diesel Coal Kerosene Hydrogen Diesel Coal Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 8 5 3 13 8 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
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