Answer:
Yes.
Explanation:
Because distillation separates substances based on their different boiling points.
What did Dalton's atomic theory contribute to science?
Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.
I believe the correct answer is C. <span>Zn + CuCl2 —> ZnCl2 + Cu</span>
Answer:
A. True
Explanation:
The octane number is determined by comparing the characteristics of gasoline to isooctane (2,2,4-trimethylpentane) and heptane. The correct option is option A.
Basically, the higher the octane number, the greater the resistance of the gasoline to knocking.
Their proton and electron numbers are same
