Chemistry Which of the following is a natural polymer? Starch Nylon Bakelite Polythene Starch Nylon Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Fire-fighting clothes' are made from Talc Mica Asbestos Steatite Talc Mica Asbestos Steatite ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Gypsum salt Blue vitriol Epsom salt Green vitriol Gypsum salt Blue vitriol Epsom salt Green vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Silver Copper Aluminium Zinc Silver Copper Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Bauxite Dolomite Haematite Cinnabar Bauxite Dolomite Haematite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature ANSWER DOWNLOAD EXAMIANS APP
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