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This set of MCQs helps you brush up on important chemistry topics and prepare you to dive into skill practice.
What type of change occurs at the molecular level?
Physical change
Chemical change
Temperature change
All of the above
What type of change occurs at the molecular level?
Physical change
Chemical change
Temperature change
All of the above
Using the following forces: motion and pressure, which type of change can occur?
Chemical change
Physical change
Both of these
None of these
_________ changes do not change the composition of the substance.
Physical
Chemical
Synthesis
Adequate
Which of the following is not an example of physical properties?
Odor
Weight
Size
Which of the following could indicate that a chemical change took place?
Change in temperature or energy
Change of color
Formation of gases
All of the above
In a chemical reaction, bonds are broken and reformed between different atoms.
True
False
Which of the following is not an example of physical change.
Boiling of water
Chopping wood
Dissolving sugar in water
A new substance is formed
Spoiling of food is ______ change.
Chemical
Physical
Reversible
Irreversible
