Chemistry Neoprene is prepared by polymerisation of which of the following 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is K Ca Na Cs K Ca Na Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Silver Nichrome Iron Copper Silver Nichrome Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor ANSWER DOWNLOAD EXAMIANS APP
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