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10 April, 06:05

Both carbon dioxide and water are pure substances. how are they similar to each other?

a. both substances have a set ratio of atoms that cannot be separated.

b. both substances have a set ratio of atoms that can be separated.

c. both substances have the same physical and chemical properties.

d. both substances have the same physical properties, but different chemical properties.

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Answers (1)
  1. 10 April, 06:09
    0
    The answer is a.

    Pure substances, by definition, are made of only one kind of atom/molecule, and cannot be broken down. Thus, their atoms cannot be separated.

    b is incorrect because the atoms can't be separated.

    c and d are incorrect because carbon dioxide and water do not have similar physical properties.
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