Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Chemical Bonding#Sigma and Pi Bonds266Choose the best answerHow many σ (σ) and π (π) bonds are present in acetylene, C₂H₂?A5 σ bondsB4 σ bonds and 1 π bondC3 σ bonds and 2 π bondsD3 σ bonds and 3 π bonds Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules267Choose the best answerWhich order correctly shows the steps of enzyme action?AEnzyme → Product → Substrate → ComplexBEnzyme + substrate → Enzyme-substrate complex → ProductCSubstrate → Enzyme → Product → ComplexDEnzyme + product → Complex → Substrate Like 0 Discuss 0Share
Periodic TableIonic Radius268Choose the best answerThe correct decreasing order of size is:AI > I⁻ > I⁺BI⁺ > I⁻ > ICI > I⁺ > I⁻DI⁻ > I > I⁺ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Gamma Radiation#Radioactivity269Choose the best answerWhat does γ radiation consist of?AHigh-speed electronsBHelium nucleiCHigh-frequency electromagnetic photonsDProtons and neutrons Like 1 Discuss 0Share
SolidsMetallic Properties270Choose the best answerThe lustre of metals is mainly due to:AHigh densityBPolishing onlyCChemical inertnessDDelocalized electrons Like 1 Discuss 0Share