Unit 5 Quizizz Review
Authored by CAITLIN WALRAVEN
Chemistry
9th - 12th Grade
NGSS covered
Used 15+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
All of the following are reasons why equations or balanced EXCEPT
To satisfy the law of conservation of mass
To make sure matter is not created or destroyed
The make the number of atoms of each element equivalent in both the reactants and products
To obtain a zero net ionic charge
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following is a single replacement reaction?
CaCO3(s) ↔ CaO(s) + CO2(g)
4Al(s) + 3O2(g) ↔ 2Al2O3(s)
Mg(s) + 2HCl(aq) ↔ H2(g) +MgCl2(aq)
2C4H10(g) + 13O2(g) ↔ 8CO2(g) + 10H2O(g)
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When the equation below is balanced, what is the coefficient for oxygen?
____ C3H8(g) + ____ O2(g) --> ____ CO2(g) + ____H2O(g)
3
4
5
6
Tags
NGSS.MS-PS1-5
4.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Select all of the examples that show a decomposition reaction.
CO2 --> C + O2
2 H2 + O2 --> 2 H2O
2 NaCl --> 2 Na + Cl2
Zn + 2 HCl --> ZnCl2 + H2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The formation of rust is described in the following statement. Four moles of iron metal react with three moles of oxygen gas to produce two moles of iron (III) oxide. What is the balanced equation for the formation of rust?
4 Fe (s) + 3 O2 (g) --> 2 Fe3O (s)
4 Fe (s) + 3 O2 (g) --> 2 Fe2O3 (s)
Fe4 (s) + O3 (g) --> Fe3O2 (s)
Fe4 (s) + O3 (g) --> Fe2O3 (s)
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Select all of the single replacement reactions.
CO2 --> C + O2
2 H2 + O2 --> 2 H2O
2 NaCl --> 2 Na + Cl2
Zn + 2 HCl --> ZnCl2 + H2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Photosynthesis occurs by taking water from the soil, carbon dioxide from the air, and energy from the sun to form glucose (C6H12O6) and oxygen gas. What is the balanced equation for photosynthesis as described in the previous statement?
H2O + CO2 --> C6H12O6 + O2
H2O + CO2 + energy --> C6H12O6 + O2
6 H2O + 6 CO2 --> C6H12O6 + 6 O2
6 H2O + 6 CO2 + energy --> C6H12O6 + 6 O2
Tags
NGSS.HS-LS1-5
NGSS.HS-LS2-5
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