Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Iodine Fluorine Bromine Chlorine Iodine Fluorine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Addition Oxidation Elimination Substitution Addition Oxidation Elimination Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Mica Carbon Graphite Lead Mica Carbon Graphite Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Bleaching powder Washing soda Soda ash Baking soda Bleaching powder Washing soda Soda ash Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Lead Manganese Molybdenum Mercury Lead Manganese Molybdenum Mercury ANSWER DOWNLOAD EXAMIANS APP
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