Multiple choice

Which of the following gases is responsible for an increase in the volume of breads, cakes and pastries etc.?

  1. Hydrogen

  2. Carbon dioxide

  3. Oxygen

  4. Nitrogen

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

Yeast is the organism, which is added to the dairy products to increase their volume. When the yeast cells multiply, they breathe and release carbon dioxide, which causes an increase in the volume of food products.