Chemistry, 22.10.2019 01:20 jonmorton159

3. the chemical equation for what happened to the zinc in the boiling sodium hydroxide is written below:
zn (s) + 2 naoii (aq) + 2 h20 (1) ► nazzn(oii)4 (aq) + ii2 (g)
does this equation represent a physical change or a chemical change? how do you know?
physical change

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3. the chemical equation for what happened to the zinc in the boiling sodium hydroxide is written below: zn (s) + 2 naoii (aq) + 2 h20 (1) ► nazzn(oii)4 (aq) + ii2 (g) does this equation represent a physical change or a chemical change? how do you know? physical change

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Another question on Chemistry

3. the chemical equation for what happened to the zinc in the boiling sodium hydroxide is written below:
zn (s) + 2 naoii (aq) + 2 h20 (1) ► nazzn(oii)4 (aq) + ii2 (g)
does this equation represent a physical change or a chemical change? how do you know?
physical change