Choose or find odd word - Ranthamboor , Sunderban , Kaziranga , Ghana , Corundum

E. CORUNDUM

Choose or find odd word - Euphrates , Hwang Ho , Amazon , Brahmaputra , Indus

C. AMAZON

Choose or find odd word - Microscope , Telescope , Periscope , Stethoscope

D. STETHOSCOPE

Choose or find odd word - Mercury , Bromine , Aluminium , Sodium , Titanium

B. BROMINE

Choose or find odd word - Cotton , Jute , Silk , Nylon , Wool

D. NYLON