Which scenarios show chemical changes rather than physical changes? (Select the three correct answers.)(1 point)

Responses

Milk souring and becoming cheese
Milk souring and becoming cheese

Salt dissolving in water
Salt dissolving in water

Ice melting into water
Ice melting into water

Burning wood to produce ash and smoke
Burning wood to produce ash and smoke

Sugar being ground into powder
Sugar being ground into powder

Iron rusting when exposed to oxygen

1 answer

The scenarios that show chemical changes rather than physical changes are:

  1. Milk souring and becoming cheese
  2. Burning wood to produce ash and smoke
  3. Iron rusting when exposed to oxygen

The other options (salt dissolving in water and sugar being ground into powder) represent physical changes.