Fundamental Principles of Organic ChemistryFossil Fuels596Choose the best answerWhich row is incorrect?ANatural gas — MethaneBLPG — Propane and butaneCCoke — HydrogenDCoal gas — H₂, CH₄ and CO Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Gases#Ideal Gas Equation597Choose the best answerCalculate the work done when 1 mole of an ideal gas expands from 15 dm³ to 20 dm³ against a constant external pressure of 2 atmospheres. (KMU MDCAT 2024)A−10 atm·dm³B−5 atm·dm³C5 atm·dm³D10 atm·dm³ Like 0 Discuss 1Share
Chemical BondingMolecular Geometry and Bond Angle598Choose the best answerThe shape and bond angle of BF₃ are:ATrigonal pyramidal, 107°BTetrahedral, 109.5°CTrigonal planar, 120°DTrigonal pyramidal, 120° Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Alkenes#Chemistry of Hydrocarbons599Choose the best answerWhich reaction is commonly used to locate the position of a C=C double bond?AHydration of alkeneBEpoxidation of alkeneCOzonolysis of alkeneDOxidation of alkene with Bayer's reagent Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Boiling Point & Pressure#Liquids600Choose the best answerWhy does food take longer to cook at a high-altitude place such as Gorakh Hill without a pressure cooker?AAtmospheric pressure increasesBBoiling point of water increasesCAtmospheric pressure decreasesDTemperature of water increases Like 0 Discuss 0Share