Which terms are used to identify pure substances?
(1) an element and a mixture
(2) an e...
Chemistry, 19.08.2019 00:20, kokokakahi
Which terms are used to identify pure substances?
(1) an element and a mixture
(2) an element and a compound
(3) a solution and a mixture
(4) a solution and a compound
Answers: 2
Chemistry, 23.06.2019 01:00, akluke6059
Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
Answers: 1
Chemistry, 23.06.2019 08:50, carlinryan
Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
Answers: 2
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