Chemistry Exam Review
Authored by Jessica Schwarz
Chemistry
10th - 12th Grade
NGSS covered
Used 66+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Chemical equations ___.
describe chemical reactions
show how to write chemical formulas
give directions for naming chemical compounds
describe only biological changes
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the chemical equation H2O2 → H2O + O2, H2O is a ___.
catalyst
solid
product
reactant
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If you rewrite the following word equation as a balanced chemical equation, what will the coefficient and symbol for nitrogen be?
nitrogen trifluoride → nitrogen + fluorine
2N
2N2
N2
4N
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are the coefficients that will balance the skeleton equation below?
N2 + H2 → NH3
1,1,2
1,3,3
3,1,2
1,3,2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When the equation KClO3 → KCl + O2 is balanced, the coefficient of KClO3 is ___.
1
2
3
4
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are the missing coefficients for the skeleton equation below?
Cr + Fe(NO3)2 → Fe + Cr(NO3)3
4,6,6,2
2,3,2,3
2,3,3,2
1,3,3,1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The product of a combination reaction is BaCl2. If one of the reactants is Ba, what is the other reactant?
Cl
Cl2
BaCl2
Ba
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