Choose or find odd word - Blade , Axe , Scissors , Needle

D. NEEDLE

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 - Verse , Rhyme , Couplet , Rhetoric , Stanza

D. RHETORIC

Choose or find odd word - Potassium , Silicon , Zirconium , Gallium , Germanium

A. POTASSIUM