PDF chapter test TRY NOW
Take 500 ml. beaker filled upto 3/4 with water. Dissolve 2-3 teaspoons of sugars in it. Add half a spoon of yeast powder to the sugar solution. Keep it covered in a warm place for 4-5 hours. Now smell the solution. Can you get a smell?
1. What is the smell observed after few hours?
2. What is the process that took place?
Answer variants:
Fruity smell
Respiration
Fermentation
Alcohol smell
Register for free to see more content