SolidsHexagonal Crystal System811Choose the best answerIn the hexagonal crystal system:Aa = b = c and all angles are 90°Ba = b ≠ c and γ = 120°Ca ≠ b ≠ c and all angles are 90°DAll axes and all angles are unequal Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes812Choose the best answerWho introduced the concept of isotopes?ABerzeliusBJ.J ThomsonCSoddyDAbraham Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Physical Change813Choose the best answerIdentify the physical change among the following.ARusting of ironBBurning magnesium ribbonCBurning a candleDMelting wax Like 0 Discuss 0Share
Alkyl HalidesFactors Favoring SN1 Reaction814Choose the best answerWhich set of conditions most strongly favors an SN₁ reaction?ATertiary alkyl halide, weak nucleophile and polar protic solventBMethyl halide, strong nucleophile and DMFCPrimary alkyl halide, strong base and alcoholic KOHDPrimary alkyl halide and DMSO Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Chemical Equilibrium#Effect of Pressure815Choose the best answerWhich of the following reactions will move backward by decreasing pressure?A4Q ⇌ T + SB2A ⇌ 3CCK ⇌ LDH₂ + 2M ⇌ 2B + 2D Like 0 Discuss 0Share