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Chem Note (英皇教育 A[1].Fung) HKCEE 要&ae

Chem Note (英皇教育 A[1].Fung) HKCEE 要&ae

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u EE r 1 1. Filtration 1 To separate insoluble solid / precipitate from its liquid mixture. E / funnel 1 filter paper 1 residue (insoluble solid) 1 ( ) filtrate 1 To separate sand and water from their mixture. k To separate rust and water from their mixture. 2. Building chemical cells from oxidizing agents and reducing agents Ea 1 . carbon rod carbon rod salt bridge 1 KMnO 4 / H + (aq) FeSO 4 (aq) 3. To test the gas evolved in a reaction Example1 Na 2 CO 3 + 2 HCl 2 NaCl + H 2 O + CO 2 lime water to test CO 2 E CO 2 Na 2 CO 3 + HCl Notes are prepared, printed and distributed by A.Fung. They are not related to King’s Glory Educational Centre. ** NOT FOR SALE ** by 1 A. Fung Tel: 23050505 www.fungsir.net Diagram p.1
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+ K 2 Cr 2 O 7 / H 4. Cracking is a process in which large hydrocarbon molecules are broken down into small hydrocarbon molecules . o n catalyst1 porous pot / broken porcelain or aluminum oxide gaseous alkane and alkene E / / liquid hydrocarbon 1 rocksil soaked with heavy oil heat 1 E displacement of water 1 C 22 H 46 (l) C 9 H 20 (l) + C 7 H
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