Question

which of these are examples of chemical changes? check all that apply. burning a candle boiling alcohol frying an egg melting an ice cube making coffee

Explanation:

A chemical change results in the formation of new substances. Burning a candle involves the reaction of wax with oxygen to produce carbon - dioxide, water vapor etc. Frying an egg causes proteins in the egg to denature and new chemical compounds are formed. Boiling alcohol, melting an ice - cube are physical changes (change of state). Making coffee mainly involves dissolving substances and is a physical process.

Answer:

burning a candle, frying an egg