Question

give reason for the following. a) the toothpaste prevents tooth decay. b) baking soda paste is advised to rub on a bee sting

Answer 1

Hey!!!

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(a) Toothpaste prevents tooth decay because toothpaste is basic in nature. In a tooth decay the pH of our mouth falls below 5.6 which lead to corrosion of calcium phosphate/enamel

(b) Baking Soda is advisable to rub on bee sting because bee sting contains Methanoic/Formic Acid which causes irritation in our skin. Rubbing Baking Soda neutralizes the effect and hence the pain is reduced.

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Hope this helps ✌️

Answer 2

{a}:- toothpaste is used to prevents tooth decay because tooth decaying produced acids in our teeth which often corrode it. being a base, tooth paste neutrilise the acid and thus prevents tooth decaying.

{b}:-when their is any cut by bees, it enjects methonic acid .being a base,baking soda neutrilise the acid and give relief