acids and base in antacids. project of class 10
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Materials:
Grape juice (no sugar added)Eye dropperLemon juiceSeveral test tubesSeveral different types of liquid antacids
Experimental Procedure
Add ten drops of grape juice to each test tube. Grape juice is a natural acid-base indicator, so it turns colors depending on whether the solution it is placed in is acidic or basic.Rinse the eyedropper thoroughly.Add ten drops of lemon juice (an acid) to each test tube.Label each test tube with the name of one of the liquid antacids you are testing.Add the first antacid, drop by drop, to the first test tube. Stop as soon as the solution changes colors. A color change means that the antacid has neutralized the acid in the lemon juice.In a table such as the one below, record the number of drops needed to neutralize the acid.Repeat this process with the remaining types of antacids, adding drops of one antacid to each of the remaining test tubes.Record your data. Which antacid neutralized the acid most quickly? What does that tell you about that antacid?
Terms/Concepts: Acids and bases; Neutralization; What causes upset stomach?
Grape juice (no sugar added)Eye dropperLemon juiceSeveral test tubesSeveral different types of liquid antacids
Experimental Procedure
Add ten drops of grape juice to each test tube. Grape juice is a natural acid-base indicator, so it turns colors depending on whether the solution it is placed in is acidic or basic.Rinse the eyedropper thoroughly.Add ten drops of lemon juice (an acid) to each test tube.Label each test tube with the name of one of the liquid antacids you are testing.Add the first antacid, drop by drop, to the first test tube. Stop as soon as the solution changes colors. A color change means that the antacid has neutralized the acid in the lemon juice.In a table such as the one below, record the number of drops needed to neutralize the acid.Repeat this process with the remaining types of antacids, adding drops of one antacid to each of the remaining test tubes.Record your data. Which antacid neutralized the acid most quickly? What does that tell you about that antacid?
Terms/Concepts: Acids and bases; Neutralization; What causes upset stomach?
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Answer: antacids does not contain any acids... Therefore its name is antacid... anti acid..
Explanation:
It has an alkali.... magnesium hydroxide...
(Mg (OH)2)
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