Which of the following statements holds true for chemical change?
a) in a chemical cha...
Which of the following statements holds true for chemical change?
a) in a chemical change, no new substance is formed
b) in a chemical change, a substance changes its phase
c) in a chemical change, the molecular structure of a substance changes
d) in a chemical change, one substance dissolves into another
Answers: 1
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Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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The identities of substances are the same before and after which type of change
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