Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Aviation fuels Volcanic eruptions Chlorofluorocarbons Radioactive rays Aviation fuels Volcanic eruptions Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is neither released nor absorbed Energy is always absorbed Energy in always released More energy is released than is absorbed Energy is neither released nor absorbed Energy is always absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Oxalic acid Phenol Acetic acid Ethanol Oxalic acid Phenol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Hydrogen sulphide Chlorine Ammonia Carbon dioxide Hydrogen sulphide Chlorine Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is diamond coke graphite charcoal diamond coke graphite charcoal ANSWER DOWNLOAD EXAMIANS APP
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