what do you observe when you drop a few drops of acetic to a test tube containing (1) phenolphthalein (2) universal indicator (3) distilled water (4) sodium hydrogen carbonate
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1-ntng happen 2-red 3-nthng 4-brisk effervescence
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1)the solution become colourless
2)show the pH range
3) neutral
4)brick effect
2)show the pH range
3) neutral
4)brick effect
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