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Chemical Evidence Analysis

Quiz by Hannah Parslow

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10 questions
Show answers
  • Q1
    What is the first step of mass spectrometry?
    Acceleration
    Ionisation
    Vaporisation
    Detection
    30s
  • Q2
    What is the Rf value if the distance moved by the solvent is 10cm and the distance moved by the substance is 2cm
    0.2
    0.5
    5
    2
    30s
  • Q3
    What is the stationary phase in paper chromatography
    Paper
    Beads
    Silica
    Plastic
    30s
  • Q4
    What light is emitted in UV Spectroscopy?
    White
    UV
    Red
    Fluorescent
    30s
  • Q5
    What colour is absorbed when the observed colour is blue?
    Orange
    Blue/Green
    Yellow/Green
    Red
    30s
  • Q6
    What substance is present when Marquis reagent turns purple?
    LSD
    Heroin
    Cocaine
    Amphetamine
    30s
  • Q7
    What sample can paper chromatography be used for?
    Metal ions
    Powder
    Ink
    Fibres
    30s
  • Q8
    On what surface can iodine fuming be carried out?
    Only non-porous
    Porous and non-porous
    Only porous
    30s
  • Q9
    What colour is seen when using ninhydrin
    Green
    Yellow
    Red
    Bluish purple
    30s
  • Q10
    IR Spectroscopy cannot determine molecular weight
    False
    True
    30s

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