Chemistry Overview 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryAtomsGCSEAQA Created by: AshCreated on: 14-02-18 12:52 10698742513 Across 1. The variable that is adjusted to change the conditions of the experiment (11) 7. The Haber process involves this type of reaction (10) 8. A substance that accelerates a reaction without actually being a reactant or a product (8) Down 2. Type of polymerisation with one product (8) 3. A catalyst in biological systems (7) 4. A negatively charged ion (5) 5. Litmus paper and phenolphthalein are examples of this (9) 6. This gas is produced when a metal reacts with an acid (8) 9. A substance that can be burned to release energy (4) 10. Type of combustion that releases carbon monoxide (10)
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