Homework Help: Physical Science

Posted by Austin on Saturday, January 26, 2008 at 5:40pm.

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 - Ms. Sue, Saturday, January 26, 2008 at 5:41pm
Austin, please post what you think the answers to your questions are -- and someone will be glad to check them.
Physical Science - Austin, Sunday, January 27, 2008 at 1:08am
4. a banana ripens

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