model answer (1)chemical reaction.doc - Manaret eleman language schools Date:\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 science department

model answer (1)chemical reaction.doc - Manaret eleman...

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Manaret eleman language schools science department Date:………………………………………………. Prep.3 1-Write the scientific term: 1-It is the breaking up of bond in some molecules of the reactants and the formation of new bonds in the molecules of the new resultants from the reaction . (chemical reaction) 2-The substance which gives oxygen or takes hydrogen. (Oxidizing agent) 3-Two processes that take place at the same time during the chemical reaction. (Oxidation&reduction reaction.) 4-The substance which gives an electron or more during the chemical reaction . (Reducing agent.) 5-A chemical process in which an atom gains one or more electrons. (Reduction process) 6-The arrangement of metallic elements in a descending order according to their chemical activity. (chemical activity series) 7-It is the chemical reaction in which the compound is broken up by heat into simple substances (simple elements or simpler compound than the original). (Chemical reaction.) 8- Reaction between an acid & an alkali. (Neutralization reaction.) 2-Complete the following sentences:
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