Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect Resonance effect All of them Inductive effect Hyper conjugative effect Resonance effect All of them Inductive effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its reducing character Its non-metallic character Its electropositive character Its affinity for non-metal Its reducing character Its non-metallic character Its electropositive character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 2 8 32 18 2 8 32 18 ANSWER DOWNLOAD EXAMIANS APP