ACTIVITY 1Take two plates of iron. Apply oil to one of the plates. Place both theplates in a beaker containing some tap water. Examine both the plates atregular intervals and describe your observations.ACTIVITY 2Take lemon juice, tomato juice, sugar solution, salt solution, vinegar,soap solution, baking soda solution, tap water. Classify their nature asacidic, basic and neutral using beetroot juice and turmeric as indicators.
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