Add vinegar to baking soda, and it begins to bubble. This is evidence that --

A precipitate (solid formed by mixing two liquids) is formed during a--

Which of the following is an example of what might occur during a chemical change?

Blowing bubbles into your milk through a straw causes a ____________________ change.

Bubbles formed as a result of mixing two chemicals is an example of _________________change.

A precipitate, a type of chemical change, is a solid formed by mixing--

A compound can have different physical and chemical properties than the elements that make it up.

Which of the following is an element?

Which of the following is a compound?

Which of the following is evidence of a physical change?

An element --

How many elements are in CuCO3?

A compound --

H-O-H --

All of the following are chemical reactions EXCEPT--

All of the following are physical changes EXCEPT--

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