change

Physical and Chemical Properties and Changes

1. Which one of the following is an example of a physical change?
A.iron rusting
B.a steak cooking
C.sugar dissolving in water
D.a candle burning


2. A physical change means that no new substance is formed.
A.true
B.false


3. Breaking water up by separating it into hydrogen and oxygen is an example of a ...
A.physical change.
B.chemical change.


4. Melting and boiling causes a ...
A.physical change.
B.chemical change.


5. A change in size or shape is a ...
A.physical change.
B.chemical change.


6. A chemical change means that a new substance with new properties is formed.
A.true
B.false


7. The fact that sugar is white is a ...
A.physical property.
B.chemical property.


8. Iron rusts when exposed to air. This is a ...
A.physical property.
B.chemical property.


9. Which one of the following is not a physical property of hydrogen?
A.it is a gas
B.it is explosive
C.it is colourless
D.it has no smell


10. Which one of the following is not a physical change?
A.clothes drying in the dryer
B.making a cup of coffee
C.chopping wood
D.boiling an egg



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