Write the names of the following compounds.

(i) (ii)

If water contains dissolved calcium hydrogen carbonate then out of soaps and synthetic detergents, which one will you use for cleaning the dirt of clothes?

Write the names of the next homologues of CH₃CH₂OH and HCOOH.

Identify the functional groups in the following compounds and name them.

(i)

(ii)

(iii) CH₃CH₂CH₂OH

(iv) HCHO

Mention the number of double bonds between carbon and oxygen in methanoic acid. Write its general formula.