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crimeas [40]
3 years ago
11

HELP WHOEVER ANSWERS WILL BE MARKED AS BRAINLIEST

Chemistry
1 answer:
DiKsa [7]3 years ago
4 0
Ik 3 is oxygen but i don’t know the rest
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From the balanced reaction:
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Which of the following results in a chemical change in matter?
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13. Which could be true about an unknown sample with a pH of 7? (2 points)
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A ph of 7 contains only water.

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