PDF chapter test TRY NOW
Solve the riddle using the given clues:
Preeti got a chocolate by identifying a correct unknown substance using the hints below. What is the name of the substance she answered, find this using the below puzzle.
“X is formed in the mouth when we eat sugary foods.
It is produced by bacteria.
It damages tooth enamel and causes decay.
It can be neutralised by using toothpaste".
Identify X.
You're a .
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