1.

The bacteria present on uncleaned teeth convert the sugar in food into a substance X which causes tooth decay. Name the substance X . Which part of the teeth does it affect?

Answer»

When we eat food containing sugar then the bacteria PRESENT in our MOUTH break down the sugar into acids such as lactic acid Thus,substance X is lactic acid which is formed in the mouth after we eat the food containind sugar this acids lowers the PH in the mouth MAKING it acidic



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