" Find out the elements commonly found in each set of materials listed below." 1. Foil, screen, pail, pan, kettle 2. Pipe, nail, paper clip 3. Bleaching agent, chlorinated water 4. heads of safety matches 5. Filaments of electric bulbs 6. Coating of food containers, galvanized iron 7. Coal, lead in pencils, electrode of dry cell 8. Jewelry 9. Components of air w/c are also present in water 10. Liquid in thermometer Answers: 1. Aluminum 2. Iron 3. Chlorine 4. Phosphorus 5. Tungsten 6. Zinc 7. Carbon 8. Gold, silver 9. Oxygen and hydrogen 10. Mercury
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