what happens to the sugar solution in flask a? – Discussion Forum

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Virat

Asked: July 31, 2025In: Class 8 Science

Observe the set-up given in Fig. 2.15 and answer the following questions: (i) What happens to the sugar solution in flask A? (ii) What do you observe in test tube B after four hours? Why do you think this happened? (iii) What would happen if yeast was not added in flask A?

(i) Sugar is fermented in flask A. (ii) Test tube B shows bubbles or gas due to carbon dioxide. (iii) Without yeast, fermentation doesn’t occur and no gas forms, so the test tube stays unchanged. class 8 science chapter 2 the ...