Tooth enamel is the hardest substance in our body. Name the compound of which it is made up of. At what pH of the mouth it gets corroded ?

correct answer is (C) Nose.

(i) X- Carbon, Y - Diamond, Z - Graphite (ii) Non-metal (iii) Tin.

(i) X - Carbon, Y - Diamond, Z - Graphite (ii)Non-metal (iii)Tin.

X is carbon (non-metal). X exists in the form of allotropes, Y is diamond and Z is Graphite.

When the pH in the mouth is below 5.5, bacteria present in the mouth produce acids by degradation of sugar and corrode the tooth enamel. It can be prevented by...

Tooth enamel, made of calcium phosphate does not dissolve in water, but it is corroded when pH is below 5.5 (acidic). Bacteria present in the mouth produce acids by degradation of...

(i) The compound 'P' is calcium phosphate.  (ii) It undergoes damage when the bacteria present in the mouth work on the leftover food particles and produce acid.  To prevent tooth decay, toothpaste...

"Each term every child has one blind day, one lame day, one deaf day, one injured day and one dumb day." The blind day was the hardest because the children...

The Right option is : (d) wood

Tooth decay starts when the pH of the mouth is lower than 5.5 as Tooth enamel, made up of calcium phosphate does not dissolve in water, but is corroded ....