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- add 3 ml of dilute hydrochloric acid solution in 3 12-groove rows on the first row of the test paper.
- add 3 ml of acetic acid solution to the second row of the test paper in three 12-groove rows.
- add 3 ml of sodium hydroxide solution in 3 12-groove rows on the third row of the test paper.
- on the fourth row of the lab sheet, add 3 ml of the ammoniacal solution in three 12-groove rows.
- add 3 ml of distilled water to the first row of the second sheet of lab paper in three 12-groove rows.
- Add BTB solution in the first horizontal row and observe the change.
- add methylene glycol solution to the second row and observe the change.
- observe the change after adding phenolphthalein solution to the third row.
- observe the reaction of the acid and base Learn how the color changes depending on the acidity of the substance.
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