Microorganisms - Friend and Foe (Class VIII)

Casual Mode - Take your time!

1 / 16
✓
Correct
0
✗
Incorrect
0
★
Score
0%
Multiple Choice

Which of the following can be used as food preservative(s)?

a. Sodium benzoate
b. Sodium hydroxide
c. Citric acid
d. Butachlor

  1. Only a and c
  2. Only a and b
  3. Only b and d
  4. Only a and d
  5. Only c and d
Change Mode