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Chemistry Grade 9 Unit 1: CHEMISTRY AND ITS IMPORTANCE
national exam questions have come from this unit. It runs 17 pages; one careful study pass takes about 1.6 hours, and its difficulty is moderate among Chemistry units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
1.1 Definition and Scope of Chemistry · read p. 2
Not asked in a national paper yet.
1.2 Relationship between Chemistry and Other Natural Sciences · read p. 2
Not asked in a national paper yet.
1.3 The Role Chemistry Plays in Production and in the Society · read p. 8
Not asked in a national paper yet.
1.4 Some Common Chemical Industries in Ethiopia · read p. 12
Not asked in a national paper yet.