The correct answer is C, O, N, H.
- It is a nitrogenous compound formed in the liver.
- Urea consists of carbon, nitrogen, oxygen, and hydrogen. Hence, Option 4 is correct.
- It has a chemical formula of CH4N2O.
- It is also known as Carbamide or Ureophil.
- This compound is the end product of protein metabolism.
- It is a waste product and has no physiological function.
- It dissolves in blood and the kidney excretes it in urine.
- This organic compound has two NH2 groups connected by a functional group carbonyl.
- Urea dissolves in water and is non-toxic.
- It is colorless and has no smell.
- It is widely used as an important raw material in industries and commonly used in fertilizers.
Image of Urea Formula: