Question

1. which of the following is an example of a physical change? * baking a cake ice melting grilling a steak silver tarnishing

Explanation:

A physical change is a change in the form or state of matter without a change in its chemical composition. Ice melting is a phase - change from solid to liquid, and it is reversible. Baking a cake involves chemical reactions between ingredients. Grilling a steak causes chemical changes in the proteins. Silver tarnishing is a chemical reaction between silver and sulfur - containing compounds in the air.

Answer:

ice melting