Chemistry Which of the inert gases can form compounds? Krypton Argon Helium Xenon Krypton Argon Helium Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Decreases Remains same Increases Cannot be predicted Decreases Remains same Increases Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewer Scum Sewage Sludge Sewer Scum Sewage Sludge ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Dalton Avogadro Newton Pascal Dalton Avogadro Newton Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Brass Copper Bronze Silver Brass Copper Bronze ANSWER DOWNLOAD EXAMIANS APP