1. all of the following are chemical changes except\na iron rusting,\nb ice cubes melting,\nc pennies…

1. all of the following are chemical changes except\na iron rusting,\nb ice cubes melting,\nc pennies tarnishing,\nd food spoiling.

1. all of the following are chemical changes except\na iron rusting,\nb ice cubes melting,\nc pennies tarnishing,\nd food spoiling.

Answer

Brief Explanations:

A chemical change results in a new substance being formed. Iron rusting is a reaction with oxygen to form iron - oxide. Pennies tarnishing is a chemical reaction with sulfur - containing compounds in the air. Food spoiling involves chemical reactions like oxidation and decomposition by bacteria. Ice cubes melting is a physical change where water changes from solid to liquid without forming a new substance.

Answer:

B. ice cubes melting