Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Methane Hydrogen Oxygen Butane Methane Hydrogen Oxygen Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Increases May either increase or decrease depending on the process used Decreases Does not change Increases May either increase or decrease depending on the process used Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Ozone Nitric acid Carbon monoxide Sulphuric acid Ozone Nitric acid Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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