Quiz on Physical and Chemical Changes
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Preview questions
1. What is a physical change?
A change that produces new substances · A change that alters the form but not the substance · A change that is irreversible · A change that occurs during a chemical reaction
2. Which of the following is an example of a chemical change?
Melting of ice · Dissolving sugar in water · Burning of wood · Breaking a glass
3. What happens to the mass of substances during a chemical change?
Mass increases · Mass decreases · Mass remains the same · Mass becomes unpredictable
4. Which of the following is a characteristic of a physical change?
New substances are formed · It is usually reversible · It involves a change in temperature · It produces gas
5. Rusting of iron is an example of which type of change?
Physical change · Chemical change · Both physical and chemical change · Neither physical nor chemical change
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