Lesson eLearning

A jar of grape juice contains 5 g of sugar. Yeast converts each gram of sugar into 2 g of alcohol. How much alcohol is produced?

easy 1 mark Class 8 · Science · Microorganisms - Friend and Foe
Answer
10 g

The correct answer is 10 g — Total alcohol = 5 × 2 = 10 g.

Step-by-step solution

  1. The jar contains 5 g of sugar.
  2. Yeast converts each gram of sugar into 2 g of alcohol.
  3. Total alcohol = 5 × 2 = 10 g.
Common mistake: Misapplying the conversion ratio; mixing grams with milliliters.

Concept tested: Sugar fermentation to alcohol

Published · How this solution was prepared and checked

← All Microorganisms - Friend and Foe questions