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7. Define a chemical reaction. State four observations which help us to determine that a chemicalreaction has taken place. Write one example of each observation with a balanced chemicaluationBoard Terme DCXOV 2016 (8)ns. Chem.com |
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Answer» Answer: HCL plus naoh. hydrochloric acid and SODIUM potassium. Explanation: if if you will react both of them you will GET SALT and water |
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