which is not a chemical change?\na) stirring ingredients together in a salad\nb) a bar of iron rusts.\nc) an…
which is not a chemical change?\na) stirring ingredients together in a salad\nb) a bar of iron rusts.\nc) an egg is cooked.\nd) a piece of wood is burned.
Answer
Brief Explanations:
A chemical change results in a new substance being formed. Stirring salad ingredients just mixes them physically without creating new substances. Rusting of iron forms iron - oxide, cooking an egg denatures proteins creating new substances, and burning wood forms ash and gases like carbon - dioxide.
Answer:
A. Stirring ingredients together in a salad