1. WRITE TWO SYNTHESIS ACID-BASE INDICATORS
2. WHAT ARE ANTACID
3. WHAT IS SOIL
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1 The two synthetic indicators are phenolphthalein and methyl orange. 1) Phenolphthalein is an indicator used to determine the pH of the various solutions. Its solution is prepared by dissolving it in alcohol.
2 An antacid is a substance which neutralizes stomach acidity and is used to relieve heartburn, indigestion or an upset stomach. Some antacids have been used in the treatment of constipation and diarrhea. Currently marketed antacids contain salts of aluminum, calcium, magnesium, or sodium.
Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
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