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1. 
What's the name of this chemical change?
A.
Burning wood
B.
Souring milk
C.
Cooking an egg
D.
Baking a cake
2. 
What's the name of this chemical change?
A.
Burning wood
B.
Souring milk
C.
Cooking an egg
D.
Baking a cake
3. 
What's the name of this chemical change?
A.
Rusting of iron
B.
Souring milk
C.
Cooking an egg
D.
Heating sugar to form caramel
4. 
What's the name of this chemical change?
A.
Rusting of iron
B.
Souring milk
C.
Digesting food
D.
Heating sugar to form caramel
5. 
What's the name of this chemical change?
A.
Rusting of iron
B.
Souring milk
C.
Heating sugar to form caramel
D.
Baking a cake
6. 
What's the name of this chemical change?
A.
Burning wood
B.
Souring milk
C.
Digesting food
D.
Cooking an egg
7. 
What's the name of this chemical change?
A.
Burning wood
B.
Souring milk
C.
Cooking an egg
D.
Heating sugar to form caramel