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- 1. Multiple Choice
The ability of sodium to react with water is a
physical property.
physical change.
chemical property.
chemical change.
- 2. Multiple Choice
When iron rusts, it forms an orangish-colored solid. This change in color is a sign of a
physical property.
physical change.
chemical property.
chemical change.
- 3. Multiple Choice
When baking soda and vinegar are mixed and bubbles are produced,
new substances form.
a physical change occurs.
mass is lost.
mass is gained.
- 4. Multiple Choice
Which of the following is a sign of a chemical change or chemical reaction?
bubbles form when a liquid is heated until it's a gas
Color change
Change of state or a phase change
Change in shape
- 5. Multiple Choice
Which of the following is NOT sign of a chemical change?
Change from a solid to a gas
Change in odor
Bubbles or fizzing
Heat and light are produced
- 6. Multiple Choice
When atoms rearrange and new substances are formed, a ________ has taken place.
physical change
chemical reaction
change of state
change in odor.
- 7. Multiple Choice
Which factor listed below is increased when chemicals are broken up into smaller pieces or spread out more so they react faster?
Temperature
Surface Area
Concentration of the Reactants
Pressure.
- 8. Multiple Choice
Which factor does NOT increase the rate of a chemical reaction if increased?
Temperature
Surface Area
Concentration of the Reactants
Concentration of the Products
- 9. Multiple Choice
Reactants are found on the ________ side of the equation.
left
right
down
up
- 10. Multiple Choice
Products are found on the __________ side of the equation.
left
right
down
up
- 11. Multiple Choice
For the formula, 2 NO2, determine the number of each type of atom.
N = 2, O = 4
N = 4, O = 4
N = 2, O = 2
N = 4, O = 2
- 12. Multiple Choice
What is the reason chemical equations must be balanced?
Mr. Nye said so.
To show that mass is not conserved
To show that mass is conserved.
because it's a fun riddle that I enjoy during my free time
- 13. Multiple Choice
If a substance is described as flammable, then its flammability is a
physical property.
physical change.
chemical property.
chemical change.
- 14. Multiple Choice
For the chemical equation in the image, what are the reactants?
C6H12O6 & O2
CO2 & H2O
C6H12O6 & CO2
O2 & H2O
- 15. Multiple Choice
Balance the chemical equation in the image. The answer choices are listed by the coefficients before each formula from left to right. Hints: Balance it on paper and balance the C and H atoms first. Sidenote: This reaction occurs in your body to give you energy since the reaction shows the breakdown of glucose (C6H12O6).
0, 3, 6, 2
1, 5, 6, 6
1, 3, 6, 6
1, 6, 6, 6
- Answer choicesTagsAnswer choicesTags