Imagine you have dissolved a small amount of baking soda in a glass of water. identify the solute and the solvent

Solute is the baking soda

Solvent is the water

The solute is the baking powder since its getting dissolved
the solvent is the water because its dissolving the baking powder

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.