Observe the set-up given below and answer the following questions.What happens to the sugar solution in A? Which gas is released in A? What changes will you observe in B when the released gas passes through it?

cbse
microorganisms
cbse-class-8-science
friend-and-foe

#1

Observe the set-up given below and answer the following questions.
image

  1. What happens to the sugar solution in A?
  2. Which gas is released in A?
  3. What changes will you observe in B when the released gas passes through it?

Answer:

  1. Yeast causes fermentation converting sugar into alcohol and carbon dioxide.
  2. Carbon dioxide
  3. Lime water turns milky.