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Chemical Change
Term | Definition |
---|---|
Chemical reaction | a new substance is formed. |
Copper Sulfate + Sodium Hydroxide | Blue precipitate (colour change and a solid formed) |
Potassium Iodide + Lead Nitrate | Yellow precipitate (colour change and a solid formed) |
Combustion of Magnesium | Light is released. |
Sodium + Water | Explosion - releasing heat and light. |
Exothermic | Heat is released - combustion of wood, gas from a Bunsen burner |
Endothermic | Heat is absorbed - Ammonium nitrate + water (instant cooling pack) |