Balancing Equations and Chemical Reactions
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Malissa Jones
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Predict the products of the chemical reaction shown below?
NaBr + CaF2 → _________ + __________
Na2Ca + FBr
NaF + CaBr2
NaBr + F2Ca
BrNa + CaF2
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for the compound formed by calcium ions and chlorine ions?
Ca2Cl
Ca2Cl7
Ca7Cl2
CaCl2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Predict the products for the chemical reaction shown below.
Zn + HCl → ____ + ___
H2 + ZnCl2
ZnCl2 + H2
ZnH2 + Cl2
ZnClH2
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A balanced equation is shown below.
C6H12O6 (l) → 2C2H5OH (l) + 2CO2 (g)
Which of the following statements correctly explains why the equation is balanced?
Because it has coefficients
Because mass is conserved on both sides
Because Carbon is conserved on both sides
Because the products and reactants are made of the same types of elements
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the following chemical equation for the following reaction. Use the appropriate chemical symbols and charges.
Silver reacts with carbonate (CO3) to produce silver oxide and carbon dioxide
S + CO2 → SCO2
Ag + CO3 → AgO + CO2
AgCO3 → S + CO2
AgCO3 → AgO + CO2
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a balanced equation?
N2 + 3H2 → 2NH3(g)
SiO2 + 2C(s) → Si(l ) + 2CO(g)
SnO2 + 2 H2 → Sn + 2 H2O
TiCl4 + 2 H2O → TiO2 + 2 HCl
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrazine (N2H4) and dinitrogen tetroxide (N2O4 ) react to form gaseous nitrogen and water. Which equation below represents the chemical reaction described?
N2H4 + N2O4 → H2 + O2
N2H4 + N2O4 → H2 + N2
N2H4 + N2O4 → H2O + N2
N2H4 + N2O4 → H2O + O2
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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