Chemical change (which results in physical change).
Dissolving is a physical process.
It is a chemical change.
It's a chemical change.
It is a physical change. The sodium hydroxide dissolves, but it is still sodium hydroxide.
Chemical Change
Copper sulfate is a substance, not a change. It can undergo physical and chemical changes.
physical
it is a chemical change Sodium carbonate + Copper sulfate react to make Sodium sulfate + Copper carbonate
Dissolving is a physical process.
Barium chloride and magnesium sulfate are chemical compounds, not "changes".
It is a chemical change.
It's a chemical change.
It is a physical change. The sodium hydroxide dissolves, but it is still sodium hydroxide.
Chemical Change
It is a chemical reaction - a chemical change.
Yes, this is a chemical reaction.
Thermal decomposition and loss of water are chemical changes.