Chemistry The most electronegative element among the following is sodium oxygen fluorine bromine sodium oxygen fluorine bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Sulphurdioxide Nitrogen Oxygen Carbondioxide Sulphurdioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Lignite Bituminous Peat Anthracite Lignite Bituminous Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.727 0.509 0.305 0.658 0.727 0.509 0.305 0.658 ANSWER DOWNLOAD EXAMIANS APP
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