Chemistry Chemical properties of isotopes Must be different Need not be different Need not be same Must be same Must be different Need not be different Need not be same Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 30 KJ 1 KJ 39 KJ 29 KJ 30 KJ 1 KJ 39 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Hydrogen Lithium Sodium Helium Hydrogen Lithium Sodium Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Aluminium Silver Copper Zinc Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Haematite Dolomite Bauxite Cinnabar Haematite Dolomite Bauxite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy A lowering of free energy A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy A lowering of entropy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP