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? 1/3 1/8 1/6 1/4 1/3 1/8 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Leaching Smelting Slugging Zone melting Leaching Smelting Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 18 13 15 21 18 13 15 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Acid rain Oil spill Radioactive waste Carbon dioxide Acid rain Oil spill Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Methane Decane Propane Butane Methane Decane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
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