Chemistry The rusting of iron is a/an None of these Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ A l3+ Mg2+ Fe2+ Ca2+ A l3+ Mg2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 N2O SO2 NO2 SO3 N2O SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is two one zero three two one zero three ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 5.05 gram 4.05 gram 3.05 gram 2.05 gram 5.05 gram 4.05 gram 3.05 gram 2.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Mass number Atomic number Neutron number Atomic Weight Mass number Atomic number Neutron number Atomic Weight ANSWER DOWNLOAD EXAMIANS APP
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