NY Regents Chemistry Exam June 2022
12 Which sample of matter can not be broken down by a chemical change?
(1) antimony
(2) ethanol (3) methane
(4) water
Explanation: Elements can not be broken down by a chemical change. Now, all we have to do is to figure out which of the answer choices is an element. This can be done by looking at the Periodic Table.
Answer: 1