498457
Beschreibung
Mindmap von Georgia Mealings, aktualisiert more than 1 year ago
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Erstellt von Georgia Mealings
vor fast 11 Jahre
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Calcium
- Calcium oxide is
useful for making
glass, cement and
limewater.
- Calcium carbonate decomposes
to make calcium oxide and carbon
dioxide.
- Limewater is calcium hydroxide
solution. When it reacts with carbon
dioxide, a cloudy precipitate of calcium
carbonate forms, because calcium
carbonate is insoluble.
- In thermal decomposition
chemicals break down into more
than one substance when heated.
- The reaction between calcium
oxide and water produces
calcium hydroxide.
- Acidic soil can be made less
acidic by mixing it with calcium
carbonate, hydroxide, or oxide.
- Calcium compounds are used
to stop sulfur dioxide getting into
the atmosphere.
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