Biology, 07.12.2020 01:00 anonymous1813

Which sample is a pure substance? zinc oxide
sugar dissolved in water
pond water
soil

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Which sample is a pure substance? zinc oxide
sugar dissolved in water
pond water

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Which sample is a pure substance? zinc oxide sugar dissolved in water pond water soil

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Another question on Biology

Which sample is a pure substance? zinc oxide
sugar dissolved in water
pond water
soil