{
  "id": "444ba542-c6f9-524b-91db-073c0b852dcf",
  "slug": "separation-techniques",
  "title": "Separation techniques",
  "course": "General Chemistry",
  "questionCount": 14,
  "page": "https://splycr.com/general-chemistry/separation-techniques",
  "data": "https://splycr.com/library/separation-techniques.json",
  "play": "https://splycr.com/?set=444ba542-c6f9-524b-91db-073c0b852dcf",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Method to separate sand from water?",
      "answer": "Filtration",
      "wrongOptions": [
        "Crystallisation",
        "Distillation",
        "Chromatography"
      ]
    },
    {
      "number": 2,
      "question": "Solid left behind on the filter paper?",
      "answer": "Residue",
      "wrongOptions": [
        "Filtrate",
        "Solute",
        "Solvent"
      ]
    },
    {
      "number": 3,
      "question": "Liquid that passes through the filter paper?",
      "answer": "Filtrate",
      "wrongOptions": [
        "Residue",
        "Solute",
        "Distillate"
      ]
    },
    {
      "number": 4,
      "question": "Substance that dissolves in a liquid, such as salt in water?",
      "answer": "Solute",
      "wrongOptions": [
        "Solvent",
        "Filtrate",
        "Residue"
      ]
    },
    {
      "number": 5,
      "question": "Liquid in which a substance dissolves?",
      "answer": "Solvent",
      "wrongOptions": [
        "Solute",
        "Filtrate",
        "Residue"
      ]
    },
    {
      "number": 6,
      "question": "Method to obtain solid salt from salt solution by evaporating and cooling?",
      "answer": "Crystallisation",
      "wrongOptions": [
        "Filtration",
        "Distillation",
        "Chromatography"
      ]
    },
    {
      "number": 7,
      "question": "Method to obtain pure water from seawater?",
      "answer": "Simple distillation",
      "wrongOptions": [
        "Filtration",
        "Crystallisation",
        "Chromatography"
      ]
    },
    {
      "number": 8,
      "question": "Method to separate ethanol from a mixture with water?",
      "answer": "Fractional distillation",
      "wrongOptions": [
        "Filtration",
        "Crystallisation",
        "Chromatography"
      ]
    },
    {
      "number": 9,
      "question": "Part of a distillation apparatus that cools vapour back into a liquid?",
      "answer": "Condenser",
      "wrongOptions": [
        "Fractionating column",
        "Thermometer",
        "Bunsen burner"
      ]
    },
    {
      "number": 10,
      "question": "Method to separate the coloured dyes in an ink?",
      "answer": "Chromatography",
      "wrongOptions": [
        "Filtration",
        "Crystallisation",
        "Evaporation"
      ]
    },
    {
      "number": 11,
      "question": "Rf of a spot that moves 2.0 cm when the solvent moves 8.0 cm?",
      "answer": "0.25",
      "wrongOptions": [
        "4.0",
        "0.40",
        "0.75"
      ]
    },
    {
      "number": 12,
      "question": "Number of spots a pure substance gives in paper chromatography?",
      "answer": "One",
      "wrongOptions": [
        "Two",
        "Three",
        "None"
      ]
    },
    {
      "number": 13,
      "question": "The chromatography start line is drawn in pencil because ink would…?",
      "answer": "Run with the solvent",
      "wrongOptions": [
        "Evaporate too quickly",
        "Tear the paper",
        "Absorb the light"
      ]
    },
    {
      "number": 14,
      "question": "Easiest way to separate iron filings from sulfur powder?",
      "answer": "Using a magnet",
      "wrongOptions": [
        "Using filtration",
        "Using distillation",
        "Using chromatography"
      ]
    }
  ]
}