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

Correct for both!

The first involves a reaction, so it must be chemical. The second involves material change, so it must be physical!
im guessing yes?
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