Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is Infinity 2J 4J Infinity 2J 4J ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal coke graphite diamond charcoal coke graphite diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Argon Neon Radon Xenon Argon Neon Radon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Silicon Oxygen Nitrogen Calcium Silicon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer Ammeter PH meter Acidmeter Hygrometer Ammeter PH meter Acidmeter ANSWER DOWNLOAD EXAMIANS APP