Choose or find odd word - Bake , Boil , Freeze , Simmer

C. FREEZE

Choose or find odd word - Asia , Argentina , Africa , Australia , Antarctia

B. ARGENTINA

Choose or find odd pair of words - (Jupiter : Planet) , (Musician : Artist) , (Merchant : Business) , (Maize : Cereal)

C. MERCHANT : BUSINESS

Choose or find odd pair of words - (Oil : Lamp) , (Water : Tap) , (Oxygen : Life) , (Power : Machine)

B. WATER : TAP

Choose or find odd letter group - BdE , XpD , HQu , MkV , PtZ

A. HQU