Industrial chemistry Industrial chemistry MCQS#Macromolecules#Proteins1886Choose the best answerWhy can proteins act as both acids and bases?AColloidal natureBAmphoteric natureCHydrophobic natureDPolymerization Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water1887Choose the best answerWater in a lake generally freezes:AFrom top to bottomBFrom bottom to topCUniformly throughoutDFirst at 4°C Like 0 Discuss 0Share
GasesMolecular Nature of Gases1888Choose the best answerWhich of the following gases is diatomic?AHeBNeCO₂DCH₄ Like 0 Discuss 0Share
SolidsRadius Ratio and Coordination Number1889Choose the best answerA radius ratio of approximately 0.225–0.414 corresponds to:ATriangular coordinationBTetrahedral coordinationCOctahedral coordinationDCubic coordination Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Isotopes1890Choose the best answerWhich radioactive isotope is commonly used to date ancient organic materials?ACarbon-12BCarbon-14CUranium-238DCobalt-60 Like 0 Discuss 0Share