Question

Select the odd one out:


1) Proton, electron, neutron

2) CO2, MgO, Na2O

3) Plumbum, Aurum, Platinum

4) Burning, Respiration, Photosynthesis
5) HCl, NaOH, HNO3


Please answer fast correctly please ​

Answer 1

Answer:

Neutron

CO2

burning

NaOH

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