Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Copper Gold Iron Silver Copper Gold Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy P S F Cl P S F Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 4 5 2 zero 4 5 2 zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS