physical change
Physical
A physical change.
Melting gold and pouring it into a mold is a physical change, not a chemical change. The gold's chemical composition remains the same throughout the process.
Pouring molten gold in a mold is a physical change because it involves a change in state from liquid to solid without altering the chemical composition of the gold.
Pouring tang into water is a chemical change. A change a said to be chemical if it changes color, taste, volume etc. Pouring tang into water causes a chemical change because the color changes and the volume of the tang changes because it is in a liquid state.
physical change
No, pouring soda into a cup is a physical change because the molecules of the soda remain the same. Chemical changes result in the formation of new substances with different chemical properties.
Physical
This is not a chemical change.
Yes, the mixing of drain cleaner with water that produces heat is a chemical change. This is because the reaction between the drain cleaner and water is forming new substances with different properties, which is characteristic of a chemical change.
Yes. Gold would have to bond with something for it to be a chemical change.
yes it is because a chemical change is way different than physical and a physical change is when it is still the same for example when you rip cut or crumble a pice of paper it is still the same !