Stoichiometry The chemical nature of an element is independent of The number of neutrons present in it None of these The number of protons or electrons present in it Its atomic number The number of neutrons present in it None of these The number of protons or electrons present in it Its atomic number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation None of these Product enrichment Yield enhancement Heat conservation None of these Product enrichment Yield enhancement ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the Percentage saturation Relative humidity Relative saturation None of these Percentage saturation Relative humidity Relative saturation None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. It will undergo no change until None of these It will not solidify even on The solvent begins to freeze out even before It will undergo no change until None of these It will not solidify even on The solvent begins to freeze out even before ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43834 ā2 43832 4 43834 ā2 43832 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Nā content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.8 0.95 0.9 0.98 0.8 0.95 0.9 0.98 ANSWER DOWNLOAD EXAMIANS APP