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Description
Flashcards by Adam Collinge, updated more than 1 year ago
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Created by Adam Collinge
over 10 years ago
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| Question | Answer |
| What is a Covalent Bond? | A compound formed from non-metals with each atom sharing an electron with another atom |
| What is the main compound in Limestone? | Calcium Carbonate |
| How is Limestone sourced? | By quarrying |
| What happens when Calcium Carbonate (CaCO3) is heated? | It Thermally decomposes to make calcium oxide and carbon dioxide |
| What does Calcium Oxide react with to make Calcium Hydroxide? | Water |
| What is Calcium Hydroxide and what can it be used for? | An alkali which can be used to neutralize acidic soil |
| How is cement made? | Limestone is heated in a kiln with powdered clay |
| How is mortar made? | Cement is mixed with sand and water |
| How is concrete formed? | Cement is mixed with sand and aggregate |
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