Science ~CHECK MY WORK PLEASE~

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 by physical means.
B.) both substances have a set ratio of atoms that can be separated by physical means.
C.) both substances have the same physical and chemical properties.
D.) both substances have the same physical properties, but different chemical properties.

My Answer is:

C.) both substances have the same physical and chemical properties.

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asked by Wendy
  1. Help please!!!!

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    posted by Wendy
  2. See you other posts.
    You don't need to post so many under different screen names.

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  3. SO SORRY!

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    posted by sandy
  4. Are these right

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    posted by karel
  5. Is C the correct answer? I need help and fast!

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    posted by Cristy
  6. Is D the correct answer?

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    posted by Jill
  7. A is correct

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    posted by N

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