LiquidsAnomalous Behaviour of Water101Choose the best answerThe density of liquid water at approximately 4°C is:AMaximumBZeroCMinimumDIndependent of temperature Like 0 Discuss 0Share
BasicsStoichiometry #Mole Concept102Choose the best answerOne mole of NH₃ contains:A1 atom of NB1 mol of total atomsC3 mol of H atomsDNₐ total atoms Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum103Choose the best answerIn ν̄ = R(1/n₁² − 1/n₂²), what does n₁ represent?AThe higher energy levelBThe lower energy levelCThe total number of orbitsDThe number of emitted photons Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Gases#Ideal Gas Equation104Choose the best answerAn ideal gas has volume V and pressure P at 27°C. What temperature is required to keep volume V when the pressure becomes 2P?A54°CB54 KC600°CD600 K Like 0 Discuss 0Share
Atomic StructureSubatomic Particles105Choose the best answerA neutral atom with atomic number greater than 1 generally contains:AProtons onlyBProtons and neutrons onlyCNeutrons and electrons onlyDProtons, neutrons and electrons Like 0 Discuss 0Share