Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 27 54 5.4 2.7 27 54 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 40 48 12 96 40 48 12 96 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Size range of the colloidals particles is 5 - 200 milli-microns 50 - 200 microns 10 - 50 Angstrom 500 - 1000 microns 5 - 200 milli-microns 50 - 200 microns 10 - 50 Angstrom 500 - 1000 microns ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A reduction process is accompanied with increase in the Oxidation number Number of electrons Both A & B Neither A nor B Oxidation number Number of electrons Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A chemical process is said to occur under unsteady state, if the Ratio of streams entering/leaving are independent of time None of these Inventory changes do not take place Flow rates & composition both are time dependent Ratio of streams entering/leaving are independent of time None of these Inventory changes do not take place Flow rates & composition both are time dependent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 23 21 29 79 23 21 29 79 ANSWER DOWNLOAD EXAMIANS APP
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