Correct for both!
The first involves a reaction, so it must be chemical. The second involves material change, so it must be physical!
Fat reacting with sodium hydroxide
Is this a chemical or physical change
My answer is chemical is this right answer
Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water.
My answer is physical change. Is this right?
2 answers
im guessing yes?
0 answers