Chemistry Which of the following is colourless ? Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Electrons Protons Neutrons Positrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Thorium Potassium Sodium Uranium Thorium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature N2 F2 H2 O2 N2 F2 H2 O2 ANSWER DOWNLOAD EXAMIANS APP