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. 54 2.7 27 5.4 54 2.7 27 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Percentage saturation of a vapor bearing gas is always __________ the relative saturation. Either A or B; depends on the system Equal to Smaller than Higher than Either A or B; depends on the system Equal to Smaller than Higher than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of None of these The number of protons or electrons present in it The number of neutrons present in it Its atomic number None of these The number of protons or electrons present in it The number of neutrons present in it Its atomic number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kinetic theory of gases stipulates that, the Absolute temperature is a measure of the kinetic energy of molecules Energy is lost during molecular collisions None of these Molecules possess appreciable volume Absolute temperature is a measure of the kinetic energy of molecules Energy is lost during molecular collisions None of these Molecules possess appreciable volume ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °API = (141.5/G) - 131.5 °API = 145 - (145/G) °API = 200(G - 1) °API = (140/G) - 130 °API = (141.5/G) - 131.5 °API = 145 - (145/G) °API = 200(G - 1) °API = (140/G) - 130 ANSWER DOWNLOAD EXAMIANS APP
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