Have an account?
Skip to Content
Build your own quiz
15 questions
Show Answers
See Preview
- 1. Multiple Choice
What is a chemical reaction?
a change in matter when the molecules rearrange to make new molecules
a change in matter when matter changes its form or appearance
a change in matter when the physical appearance changes
a very boring change in matter
- 2. Multiple Choice
This change is a
chemical reaction
physical change
musical change
all answers are correct
- 3. Multiple Choice
The reactants in the image above are:
CH4 and 2 O2
2 H2O and CO2
All of these are reactants
All of these are products
- 4. Multiple Choice
The products in the image above are:
CH4 and 2 O2
2 H2O and CO2
All of these are reactants
All of these are products
- 5. Multiple Choice
When energy like heat and light are given off in a chemical reaction it is called
exothermic
endothermic
eccentric
ectomorphic
- 6. Multiple Choice
When energy is absorbed and taken in during a chemical reaction it is called
exothermic
endothermic
eccentric
ectomorphic
- 7. Multiple Choice
When the matter in a chemical reaction gets colder it is called
exothermic
endothermic
eccentric
endomorphic
- 8. Multiple Choice
When the matter in a chemical reaction gets warmer it is called
exothermic
endothermic
eccentric
endomorphic
- 9. Multiple Choice
Which is the correct description of photosynthesis
Photosynthesis is a chemical reaction because the atoms of the molecules get rearranged to form new molecules
Photosynthesis is a chemical reaction because the molecules stay the same before and after the change
Photosynthesis is a physical change because nature makes it happen
Photosynthesis is a physical change because the atoms stay the same
- 10. Multiple Choice
You know that a chemical reaction is occurring here because you see __________________ . (Pick 3)
purple color
smoke
ice formation
fire
a yellow precipitate
- 11. Multiple Choice
The result of the experiment between Iodine and Aluminum was the production of __________________.
clear liquid.
a white powder.
yellow precipitate.
bubbles.
- 12. Multiple Choice
When zinc reacted with hydrochloric acid, what was the result of this reaction?
a white powder
a blue liquid
a brown precipitate
a gas
- 13. Multiple Choice
We know that there was a chemical reaction occurring when 2 clear liquids were mixed together. That is because we show the production of a _____________.
solid.
precipitate.
gas.
- 14. Multiple Choice
A precipitate is a ___________ that forms when 2 liquids react together.
solid
liquid
gas
plasma
- 15. Multiple Choice
How is a chemical change different from a physical change?
there is no difference
a physical change creates a new substance
a chemical change creates a new substance
- Answer choicesTagsAnswer choicesTags