Question

Q. Which one is incorrect statement among the following with reason.

(A) Vinegar is used to cure wasp stings because vinegar can neutralise the stings.

(B) Bacteria in our mouth change the sugar left on our teeth into bases which cause the decay of teeth.

(C) Antacids contain weak alkalis, which can neutralise the excess acid in our stomach.

(D) Baking soda is added to milk which neutralises the lactic acid in milk to prevent curdling of milk.

Answer 1

B. statement is false.

Actually, the bacteria in our mouth converts the sugar into acids (and not bases) which cause decay of teeth.