Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Mass number Neutron number Atomic number Atomic Weight Mass number Neutron number Atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Reduction Decomposition Dehydration Oxidation Reduction Decomposition Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 6 8 14 12 6 8 14 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCl2 CaCO3 MgCl2 MgCO3 CaCl2 CaCO3 MgCl2 MgCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 Zero –4 4 8 Zero –4 4 ANSWER DOWNLOAD EXAMIANS APP
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