chemical/physical properties and changes
Passage
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Heather Hinshaw-Chalker
FREE Resource
5 questions
Show all answers
1.
DROPDOWN QUESTION
1 min • 1 pt
What is a physical change?
(a)
A change that results in the formation of new substances
A change that involves breaking or forming chemical bonds
A change that is irreversible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
Melting ice
Baking soda reacting with vinegar
Cutting paper
Stretching a rubber band
3.
DROPDOWN QUESTION
1 min • 1 pt
What is an indicator of a chemical change?
(a)
Change of state
Separation of mixtures
Physical deformation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to separate mixtures based on boiling points?
Filtration
Crystallization
Distillation
Evaporation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a chemical property?
A property that can be observed without altering the substance
A property that describes a substance's potential to undergo chemical changes
A property related to the color of a substance
A property that involves physical deformation
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