Industrial chemistry Industrial chemistry MCQS#Condensation Polymerization#Macromolecules2376Choose the best answerWhich monomers combine to form nylon-6,6?AEthylene glycol and terephthalic acidBAdipic acid and hexamethylenediamineCPhenol and formaldehydeDMelamine and formaldehyde Like 0 Discuss 0Share
StoichiometryLimiting Reagent2377Choose the best answerThe reactant that is completely consumed first in a reaction is called the:ALimiting reactantBExcess reactantCLimiting productDExcess product Like 0 Discuss 0Share
GasesCharles's Law and Absolute Zero2378Choose the best answerAccording to the ideal-gas extrapolation of Charles's law, the gas volume becomes zero at:A273 KB100 KC0 KD273°C Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes2379Choose the best answerWhat is a mass spectrometer mainly used to determine?AAn instrument used to determine the chemical formula of compoundsBAn instrument used to separate atoms according to their colourCAn analytical instrument used to determine the relative isotopic masses and relative abundances of isotopesDAn instrument used to measure the density of elements Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test2380Choose the best answerWhich test distinguishes pentan-2-one from pentan-3-one?ATollens' testBFehling's testCIodoform testDFerric chloride test Like 0 Discuss 0Share