Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : None of the options Addition reaction Substitution reaction Elimination reaction None of the options Addition reaction Substitution reaction Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Acetic acid Malic acid Oxalic acid Tartaric acid Acetic acid Malic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Emulsification Absorption Coagulation Adsorption Emulsification Absorption Coagulation ANSWER DOWNLOAD EXAMIANS APP
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