The correct answer among the choices given is the first option.The teacher most likely is talking about distillation of a mixture. Distillation is a unit operation that separates component substances from a liquid mixture which is shown by the teacher. Also, the most common purifying technique in the production of gasoline is by this process.
Answer:
an oxygen atom with 8 electrons, 8 protons and 9 neutrons
The answer I think it’s C I think.
Mass i think hope and this helps u
I suppose that the answer is A