Choose the correct answer Dilute nitric acid is used to test the presence of 1. Sugar 2. Starch 3. Mineral 4. Proteins
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4. Proteins
Explanation:
- Proteins are the body-building nutrients which helps in the repair of damaged body parts and also in the growth of the body.
- Xanthoproteic test is used to detect amino acids containing an aromatic nucleus in a protein solution.
It gives yellow color nitro derivatives on heating with conc. HNO3.
- The Benedict's Solution is used to test the presence of simple sugars. If sugar is present, the Benedict's Solution will turn colorful (shades of yellow, orange, brown).
- A chemical test for starch is to add iodine solution (red) and see if it turns blue/black in color. It is possible to differentiate starch from other carbohydrates using this iodine solution test.
Learn more about testing sugar, starch and proteins:
Iodine solution is used to test the presence of sugar in a food sample* 1 point True False
https://brainly.in/question/44370983?msp_srt_exp=4
How will you test the presence of (1) starch (2)sugar and (3) proteins in the given food items : glucose, potato, egg white.
https://brainly.in/question/17144068?msp_srt_exp=4
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