Question

pls solve the attachment fast

Answer 1

Answer:

The yeast in was activated by adding warmwater and sugar. The foaming result from the yeast eating the sucrose . The process is fermentation .

Typically, the sugar fermentation process gives off heat and/or gas as a waste product. In this experiment test tube gave off carbon dioxide as its waste. And when the carbon dioxide comes in contact with lime water , the lime water turns white .

Hope this will help you .