Question
Find the odd one out and give its explanation.
- $CH_4$
- $C_2H_6$
- $C_5H_{12}$
- $CaCO_3$
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Eye lens
Retina
Cerebellum
Cornea
Simple microscope
Compound microscope
Telescope
Prism
Lithium
Sodium
Magnesium
Potassium