Concentrated HNO3 AND Molecular Equation Questions

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Ex.6 Chemical Reaction I. Oxidation Reduction Reactions 2ml 2M HCl 1. Add small amount Zn Observation ………………………………………………………………………….. 2. Zn(s) + HCl (aq) ……… + 3. Place a piece of Cu …………….. 2ml 2M HCl Observation ……………………………………………………………………………. 4. Is Copper an active or inactive metal? ……………………………………………… 5. Place a piece of Cu 1ml 6M HNO3 Observation ……………………………………………………………………………. 6. Is the gas colored?…………………………….7. Suggest a formula for the gas …………… 8. Based on the Color of Solution, what substance is present in the solution?……………… 9. Place 1ml 0.1M Na2C2O4 10 drops of 4M H2SO4 + 10 drops KMnO4 Observation ………………………………………………………………… II. Metathesis Reaction 1. Copper(II) sulphate +Sodium carbonate Observation: Molecular equation: Net ionic equation: 2. Copper(II)

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