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By: t0605, Views: 932

Chemistry tutorial-Ch22-1-Saturated and unsaturated hydrocarbons

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By: t0605, Views: 1001

Chemistry tutorial-Ch22-2-Physical properties of alkanes

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By: t0605, Views: 939

Chemistry tutorial-Ch22-3-Chemical properties of alkanes

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By: t0605, Views: 1420

Chemistry tutorial-Ch22-4-Mechanism of substitution reaction

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By: t0605, Views: 1119

Chemistry tutorial-Ch22-5-Cracking of petroleum fractions

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By: t0605, Views: 1510

Chemistry tutorial-Ch22-6-Writing chemical equations about cracking

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By: t0605, Views: 1635

Chemistry tutorial-Ch22-7-Cracking in the laboratory

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By: t0802, Views: 995

Students can learn how to write and use present participle phrases.

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By: t0802, Views: 893

Students can learn how to write and use gerund as a subject in a sentence.

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