MDCAT Chemistry Past Papers Reconduct 2023#Percentage Composition#Stoichiometry326Choose the best answerWhat is the approximate percentage of oxygen in water by mass? (MDCAT Reconduct 2023)A33.33%B20.00%C88.88%D11.11% Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Molecular Composition#Stoichiometry327Choose the best answerPropanone and propanoic acid contain the same number of:ASame number of hydrogen and oxygen atomsBSame functional groupsCSame number of carbon and oxygen atomsDSame number of hydrogen and carbon atoms Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Significant Figures#Stoichiometry328Choose the best answerHow many significant figures are there in 00.4793? (Sindh MDCAT 2018)A3B4C5D6 Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Scientific Notation#Stoichiometry329Choose the best answerExpress the number 75300 in scientific notation: (MDCAT Reconduct 2023)A7.5 × 10⁴B75.30 × 10⁴C7.53 × 10³D7.53 × 10⁴ Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Combustion Stoichiometry#Stoichiometry330Choose the best answerQ.101 3.0 g of C on combustion gives C + O₂ → CO₂.A5.5 g of CO₂B22 g of CO₂C6.02 × 10²³ molecules of CO₂D1.505 × 10²³ molecules of CO₂ Like 0 Discuss 0Share