Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of Phenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol Phenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Chlorine Bromine Iodine Flourine Chlorine Bromine Iodine Flourine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.18 0.27 0.305 0.25 0.18 0.27 0.305 ANSWER DOWNLOAD EXAMIANS APP
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