grinding is a physical change
Physical change.
no it is a physical change because you are just changing the size not the chemical structure
Grinding food is a physical change, not a chemical change. It involves breaking down the food into smaller pieces through mechanical force, without altering its chemical composition.
Grinding coffee beans is a physical change as it does not change the chemical composition of the beans.
No, grinding flour is a physical change, not a chemical change. The process of grinding wheat into flour involves only a change in the appearance and size of the wheat grains, without altering their chemical composition.
Grinding a bar of iron into a powder is a physical change, not a chemical change. This is because the iron is still the same substance, just in a different physical form. No new substances are formed during the grinding process, demonstrating that it is a physical change.
Grinding sulfur is a physical change because the substance is still sulfur; only the form has changed from solid pieces to smaller particles. No new substances are formed during grinding.
If you mean ground flour, then no. Grinding flour is a physical change because there is no change in chemical composition.
grinding any substance would by a physical change, because they are still that object
physical
Heating, grinding, stirring are physical processes.
CuSO4 (copper sulphate) 5 H2O is hydrated, containing water. The crystals (blue-coloured) are still present i believe, and so if you grind the crystals down, you are just making them physically smaller, not chemically altering them.