MCQ
Find the odd one out and give its explanation.
- ✓$C_2H_2$
- B$C_3H_8$
- C$C_2H_6$
- D$CH_4$
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Dobereiner
Newland
Mendeleev
Moseley
Boron
Arsenic
Germanium
Gallium
Copper
Iron
Mercury
Brass
Na
K
Cu
Li
Ethylene
Styrene
Propylene
Teflon