Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy Free energy Threshold energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because Its refractive index is high It is pure It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Lead Platinum Mercury Zinc Lead Platinum Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 4J Infinity 2J 4J Infinity 2J ANSWER DOWNLOAD EXAMIANS APP