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11 Dec 2019
Which of the following choices below best describes a compound such as sodium chloride?
A. A pure substance that can be separated into different elements by physical means
B. A mixture of two common substances that can be separated by chemical means
C. A mixture of two common elements that can be separated by physical means
D. A pure substance that can be separated into different elements by chemical means
Which of the following choices below best describes a compound such as sodium chloride?
A. A pure substance that can be separated into different elements by physical means
B. A mixture of two common substances that can be separated by chemical means
C. A mixture of two common elements that can be separated by physical means
D. A pure substance that can be separated into different elements by chemical means
Cyrielle LorioLv10
25 Aug 2020