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Nady [450]
3 years ago
8

CO2 NaCl HCl These may all be classified as

Physics
2 answers:
Makovka662 [10]3 years ago
8 0

Answer:

D) compounds and pure substances.

Explanation:

Nataly_w [17]3 years ago
6 0
Gas because that’s what the periodic table says
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