Multiple choice

Which of the following are used to detect the presence of proteins in food? (a) Copper sulphate (b) Iodine (c) Caustic soda (d) Ferrous sulphate

  1. (a) & (b)

  2. (a) & (c)

  3. (b) & (c)

  4. (c) & (d)

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is correct. Copper sulphate and caustic soda are used to detect the presence of proteins in food. A violet colour indicates the presence of proteins in food items.