Physical Science

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During which of the following chemical changes does a precipitate form?
1. vinegar is added to baking powder
2. Lemon Juice is added to milk
3. Lemon juice is added to water
4. A banana ripens

  • Physical Science -

    Austin, please post what you think the answers to your questions are -- and someone will be glad to check them.

  • Physical Science -

    4. a banana ripens

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