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To determine whether an unkown compound is ionic, covalent or neither
Member rating: No Rating | Words: 914 | Submitted: Thu Jan 03 2008
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CHEMISTRY ASSESSMENT 1 AIM: To determine whether an unkown compound is ionic, covalent or neither. APPARATUS: 9 x small test tubes 9 x medium size test tubes 9 x un-known substances 9 x spatulas 1 x Bunsen burner 1 x heat - proof mat 1 x metal tongs 1 x goggles 1 x bottle of distilled water 1 x test tube rack 2 x graphite rods 2 x crocodile clips 2 x electric wires 1 x battery supply 1 x plastic beaker 1 x lamp SAFETY PRECAUTIONS: 1. Ensure that Bunsen burner is set to safety (valve fully closed) when un-attended and roaring flame (valve fully open) when heating. 2. Safety goggles and lab coat must be worn at all times while conducting experiment. 3. Ensure bags, books, coats and all un-necessary equipment is stored at back of classroom. 4. Ensure stools are placed under table. 5. When heating, ensure that test tube is facing away from you and from others. 6. Wash hands after handling chemicals. METHOD: 1. Firstly I used a spatula to extract a...
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