T2.3 Modeling Chemical Reaction
Authored by Judy Huynh
Science
8th Grade
NGSS covered
Used 85+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a chemical equation?
A. A way to describe a chemical reaction using symbols instead of words.
B. A way to describe a chemical reaction using words instead of symbols.
C. A way to describe a physical change using symbols instead of words.
D. A way to describe a physical change using words instead of symbols.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for water?
H2O2
H2O
HO2
H2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general structure of a chemical equation?
Reactant + Product → Reactant + Product
Product + Reactant → Reactant + Product
Reactant + Reactant → Product + Product
Product + Product → Reactant + Reactant
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given chemical equation, what are the reactants?
N2 and NH3
H2 and NH3
N2 and H2
NH3 and H2
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given chemical equation, what are the products?
N2 and NH3
H2 and NH3
N2 and H2
NH3
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the chemical reaction CH₄ + 2O₂ → CO₂ + 2H₂O, what are the reactants?
CH₄ and O₂
CO₂ and H₂O
CH₄ and H₂O
CO₂ and O₂
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules of oxygen (O₂) are required in the reaction CH₄ + 2O₂ → CO₂ + 2H₂O?
1
2
3
4
Tags
NGSS.MS-PS1-5
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