Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C₃H21OH C₄H9OH C2H33OH (C₂H₄)2H₂.OH C₃H21OH C₄H9OH C2H33OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of pressure? Newton/metre² Parsec Kilo-pascal Bar Newton/metre² Parsec Kilo-pascal Bar ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Either A or B; depends on the substance Decreases Increases Remains unchanged Either A or B; depends on the substance Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution H⁺ ions are absent None of these OH⁻ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration H⁺ ions are absent None of these OH⁻ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration ANSWER DOWNLOAD EXAMIANS APP
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 27 5.4 2.7 54 27 5.4 2.7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One Newton is equal to __________ dynes. 10³ 10⁵ 10⁴ 10² 10³ 10⁵ 10⁴ 10² ANSWER DOWNLOAD EXAMIANS APP