Chemistry For a spontaneous chemical process, the free energy change is Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons None of these Electrons Protons Neutrons None of these Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of Unburnt petrol CO SO2 CO2 Unburnt petrol CO SO2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water River water Lake water Rain water Sea water River water Lake water Rain water 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
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