LiquidsPressure Cooker and Boiling Point151Choose the best answerFood cooks faster in a pressure cooker because:AThe boiling point of water increasesBThe boiling point of water decreasesCWater evaporates at room temperatureDAtmospheric pressure outside becomes zero Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms152Choose the best answerUsing Ar(Ar) = 40 and Ar(Ca) = 40, 20 g Ar contains the same number of atoms as:A40 g CaB30 g CaC20 g CaD10 g Ca Like 0 Discuss 0Share
Atomic StructureAtomic Orbitals153Choose the best answerAn atomic orbital is commonly represented as an:AElectron cloudBElectron seaCSubshell onlyDPrincipal shell Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Atomic Structure#Charge-to-Mass Ratio154Choose the best answerWhich positive ion has the lowest charge-to-mass (e/m) ratio? (Sindh MDCAT 2020)ALi²⁺BH⁺CHe²⁺DBe²⁺ Like 0 Discuss 0Share1
MDCAT Chemistry Past Paper 2023#Amino Acids#Macromolecules155Choose the best answerWhich of the following is an amino acid? (MDCAT 2023)ABenzoic acidBPalmitic acidCAspartic acidDAniline Like 0 Discuss 0Share