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Chemical Evidence Analysis
Quiz by Hannah Parslow
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10 questions
Show answers
- Q1What is the first step of mass spectrometry?AccelerationIonisationVaporisationDetection30s
- Q2What is the Rf value if the distance moved by the solvent is 10cm and the distance moved by the substance is 2cm0.20.55230s
- Q3What is the stationary phase in paper chromatographyPaperBeadsSilicaPlastic30s
- Q4What light is emitted in UV Spectroscopy?WhiteUVRedFluorescent30s
- Q5What colour is absorbed when the observed colour is blue?OrangeBlue/GreenYellow/GreenRed30s
- Q6What substance is present when Marquis reagent turns purple?LSDHeroinCocaineAmphetamine30s
- Q7What sample can paper chromatography be used for?Metal ionsPowderInkFibres30s
- Q8On what surface can iodine fuming be carried out?Only non-porousPorous and non-porousOnly porous30s
- Q9What colour is seen when using ninhydrinGreenYellowRedBluish purple30s
- Q10IR Spectroscopy cannot determine molecular weightFalseTrue30s