Question

Question: 5 of 9

1pt Which of the following is the most reliable way to determine whether two unknown samples come from the same substance?
O A. compare their masses
OB. determine their electrical charge
C. identify the location where they were discovered
D. compare their reactions when exposed to other, known substances
O

Answer 1

Step-by-step explanation:

D

Answer 2

D

Step-by-step explanation:

If their reactions are the same, that is a way to begin to figure out if the samples came from the same substance!

Hope this helps!