Question

which of the following is a chemical change? check all that apply. ripening a banana boiling canned soup burning a log none of the above

Explanation:

A chemical change results in a new substance being formed. Burning a log is a combustion reaction that produces ash, carbon - dioxide, and other by - products, thus it's a chemical change. Ripening a banana involves biochemical reactions that change the color, texture, and taste of the banana, so it's a chemical change. Boiling canned soup is a physical change as it just changes the temperature and state of the soup without forming new substances.

Answer:

burning a log, ripening a banana