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Hot or cold?

Endothermic and exothermic dissolving.

Topic: EnergyGrade: 9Free

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What you do

  1. Add ammonium nitrate to beaker 1 and read the thermometer.
  2. Add sodium hydroxide pellets to beaker 2.

Safety in a real lab

⚠ Sodium hydroxide is corrosive: wear goggles and gloves.

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