Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Bakelite Tollen's Terylene Nylon 66 Bakelite Tollen's Terylene Nylon 66 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/3 1/4 1/8 1/6 1/3 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Using energy efficient appliances Commuting by public transport Recycling waste materials All of these Using energy efficient appliances Commuting by public transport Recycling waste materials All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Mercury Iron Gold Platinum Mercury Iron Gold ANSWER DOWNLOAD EXAMIANS APP
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