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Grade 9 Chemistry
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Unit 1
1.1 Definition and Scope of Chemistry
1.2 The Relationship Between Chemistry and Other Natural Sciences
1.3 The Role Chemistry Plays in Production and in the Society
1.4 Some Common Chemical Industries in Ethiopia
Review Exercise
Section 2
Unit 4
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1.1 Definition and Scope of Chemistry
1.2 The Relationship Between Chemistry and Other Natural Sciences
1.3 The Role Chemistry Plays in Production and in the Society
1.4 Some Common Chemical Industries in Ethiopia
Review Exercise
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