Chemistry Which of the following is used in dating archaeological findings ? 818O 614C 92235U 13H 818O 614C 92235U 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius 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. ? Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction None of the options Elimination reaction Substitution reaction Addition reaction None of the options Elimination reaction Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Fluorinated hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
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