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- 1. Multiple Choice
Which symbol shows a chemical reaction has occured?
A
B
C
D
- 2. Multiple Choice
Identify the product(s) in this word equation
Sodium
Sodium chloride
Sodium and Chlorine
Sodium and sodium chloride
- 3. Multiple Choice
There is more than one answer.
In a word equation the REACTANTS
Are written on the left hand side of the arrow
Are used up in a chemical reaction
Are always the same
Are the substances that react together
- 4. Multiple Choice
How many products are there in this reaction?
One
Two
Three
Four
- 5. Multiple Choice
What are the reactants in this word equation?
Carbon dioxide and oxygen
Carbon dioxide and water
Oxygen and glucose
Oxygen and water
- 6. Multiple Choice
In a chemical reaction...
new atoms are created
atoms rearrange themselves
atoms are destroyed
nothing Happens
- 7. Multiple Choice
Magnesium reacts with oxygen to form magnesium oxide. The correct word equation is...
A
B
C
D
- 8. Multiple Choice
Magnesium burns in oxygen to produce magnesium oxide.
Choose the correct word equation.
magnesium + oxygen → magnesium oxide
magnesium + carbon dioxide → oxygen
magnesium + oxygen → carbon dioxide
- 9. Multiple Choice
Sodium reacts with chlorine to produce sodium chloride. Choose the correct word equation.
sodium chloride → chlorine + sodium
sodium + carbon dioxide → sodium carbonate
sodium + chlorine → sodium chloride
- 10. Multiple Choice
Iron reacts with sulfur to produce iron(II) sulfide. Choose the correct word equation.
iron + solid → iron sulfide
iron + sulfur → iron sulfide
iron sulfide + iron→ sulfur
sulfur + iron sulfide → iron
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