Label the following changes as CHEMICAL or PHYSICAL change

1. Fat reacting with sodium hydroxide
   
2. Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water
   
   

Label the following reactions as exothermic or endothermic

1. Ammonium and calcium chloride mix, the temperature rises
   
2. Baking soda and methane are mixed, the temperature decreases
   
   

Label the following as PHYSICAL or Chemical Property

1. Ability to rust
   
2. Magnetic
   
   

Please, any help is appreciated! Thank you very much, hope you're having a good 2017.