Mark the incorrect statement in nitrogen Kjeldahl's method of estimation:
a.nitrogen gas is collected over caustic potash solution
b.potassium sulphate is used as boiling point elevator of H2SO4
c.copper sulphate or mercury acts as a catalyst
d.nitrogen is quantitatively decomposed to giveammonium sulphate
Wisdom teeth in human is | Biology Questions
a.3^rd molar and 4 in number
b.3^rd molar and 2 in number
c.2^nd molar and 4 in number
d.2^nd molar and 2 in number
Your third molars are the last set of teeth to appear in the mouth. They typically erupt between 17 and 21 years old. Due to this later age, they became known as "wisdom" teeth.