Question

If a piece of chapatti is chewed for some time, it tastes sweeter.why?
for class 7
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Answer 1

Answer:

due to saliva it tastes sweeter

Answer 2

When chapati is chewed for some time it taste sweeter because, as you know chapati is carbohydrates and it presents starch. When salivary gland secrets saliva, then it breaks carbohydrates into simple glucose that is hexose. It is generally food in our body by hydrolysis of starch.