Carbohydrates are combined forms of carbon.
8) Carbohydrates are the compounds of carbon , hydrogen and oxygen.
Assertion: Deoxyribose, C5H10O4 is not a carbohydrate.
Reason: Carbohydrates are hydrates of carbon so compounds which follow Cx(H2O)y formula are carbohydrates.
(i)Name two elemental forms in which carbon occurs.
(ii)Name any two forms in which carbon is found in a combined state with other elements in nature.
(iii) Briefly explain how it can be said that all life forms are based on carbon-containing molecules.