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Chem. and Phys. Chan

Questions about Chemical and physical changes.

QuestionAnswer
NaCl (Table Salt) dissolves in water. Physical
Ag (Silver) tarnishes. Chemical
Heat changes water into steam. Physical
Baking soda reacts to vinegar Chemical
Iron Rusts Chemical
Water evaporates Physical
Ice melts Physical
Solid gold melts into liquid gold Physical
Mixing ingredients for a cake. Physical
Baking a cake Chemical
Burning wood Chemical
Food Rots Chemical
Milk Sours Chemical
Teeth tears food Physical
Two substances are mixed and light is produced Chemical
Food digested in the stomach Chemical
Saliva reacts to carbohydrates in food Chemical
A paper towel absorbs water Physical
Water is absorbed by the intestines Physical
Food is churned in the stomach (Peristalsis) Physical
Food creates body heat during digestion Chemical
Created by: 4boyscoach
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