Chemistry Which of the following is not a derivative of barbituric acid Nembutal Veronal Equanil Amytal Nembutal Veronal Equanil Amytal ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine chlorophyll caffeine aspirin nicotine chlorophyll caffeine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 238 330 92 146 238 330 92 146 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
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