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 Equipment name

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Notes

Ice
  • Service stations
  • Liquor wholesalers
  • Cooling
  • States of matter
  • Temporary and permanent change
 
Iceblock sticks
  • Supermarkets
  • Stirring
  • Mixing
  • Constructions
 

Iodine

[I2]

Crystals

  • Pharmacists
  • Scientific suppliers
  • States of matter

Iodine is poisonous and stains.

Stains can be removed if they are immediately treated with sodium thiosulphate solution. Refer to Safety and Science, pages 49, 51, and 58.

Iodine solution can be made by dissolving iodine crystals in methylated spirits.

Iron (II) ammonium sulfate [Ferrous ammonium sulfate, Fe(NH4)2(SO4)2]
  • Scientific suppliers
  • Growing crystals, crystal gardens, and coal flowers
Refer to Safety and Science, page 62.
Iron (II) sulfate
[FeSO4]
  • Scientific suppliers
  • Garden centres
  • Growing crystals, crystal gardens, and coal flowers
Refer to Safety and Science, page 62.
Iron filings
[Fe]
  • Scientific suppliers
  • Demonstrating magnetic fields
Keep dry, or else they will rust
Label
  • Stationers
   

Lemon juice

(citric acid)

  • Supermarkets
  • Acid
  • Invisible writing
  • Taste testing (sour taste)
 
Lime water
  • Scientific suppliers
  • Secondary schools
  • Testing for carbon dioxide
 

Litmus paper

(neutral)

  • Scientific suppliers
  • Acid-base indicator
 

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