Chemistry Unit 1 5.0 / 5 based on 3 ratings ? ChemistryUnit 1GCSEAQA Created by: Lottie_CCreated on: 29-03-16 12:22 769381254 Across 1. purest form of limestone (5) 4. which planets have a similar atmosphere to Earth's early atmosphere? (4, 3, 5) 5. what is titanium's main ore? (6) 7. reduction (4, 2, 6) 8. What is calcium hydroxide also known as? (6, 4) Down 2. what is calcium hydroxide solution also known as? (9) 3. what is calcium oxide also known as? (5, 4) 6. atomic number (6, 2, 7) 9. oxidation (7, 2, 6)
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