19. In Carbohydrates the ratio of hydrogen to oxygen is A.2:1 B.1:3 C.2:4 D.None of the above
Answer: Option A Solution: A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula Cm(H2O)n (where m may be different from n).
