English, 20.10.2020 18:01 nardosem9

Question 7 Which of the following is the most reliable way to determine whether two unknown samples come from the same substance?

A
compare their masses

B
determine their electrical charge

C
identify the location where they were discovered

D
compare their reactions when exposed to other known substances

Answers: 1

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Question 7 Which of the following is the most reliable way to determine whether two unknown samples...