Stoichiometry 2 litres of nitrogen at N.T.P. weighs __________ gms. 14 28 1.25 2.5 14 28 1.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is 1/2 5/9 8/9 1/9 1/2 5/9 8/9 1/9 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is 53 5.3 10.6 106 53 5.3 10.6 106 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by All of these Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation Removal of pure solvent by evaporation All of these Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation Removal of pure solvent by evaporation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 6.02 x 1023 atoms of hydrogen 3 gms of carbon 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane 6.02 x 1023 atoms of hydrogen 3 gms of carbon 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Product enrichment None of these Yield enhancement Heat conservation Product enrichment None of these Yield enhancement ANSWER DOWNLOAD EXAMIANS APP
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