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15 cards from this deck
Safe to drink
777 (neutral)
pH probe or universal indicator paper
No solid residue
Separate pure water from dissolved solids & impurities
Conical flask, delivery tube, condenser, receiving beaker
Left behind when water evaporates
Cools water vapour and condenses it back to liquid
Close to 777
Allow time to cool before touching
Evaporate water sample in basin, check for residue
Pure water (condensed vapour)
Check acidity or alkalinity
Check for dissolved salts or minerals
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