Unit 8 BR #5: Balance and Predict: Synthesis, Decomp, Combustion
Quiz
•
Chemistry
•
11th Grade
•
Easy
Standards-aligned
Alison Klein
Used 6+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the left part of a chemical equation called?
2H2 + O2 ---> 2H2O
Reactants
Yields
Products
Chemical equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the right part of a chemical equation called?
2H2 + O2 ---> 2H2O
Reactants
Yields
Products
Chemical Equation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the little number after an element in a chemical equation called?
Example: H2
Coefficient
Atom
Subscript
Equation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number before a chemical formula called?
Example: 2H2 + O2 ---> 2H2O
Coefficient
Atom
Subscript
Equation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following equations are correctly balanced?
12CO2 + H2O ---> C6H12O6 + O2
CO2 + H2O ---> 3C6H12O6 + O2
CO2 + 9H2O ---> C6H12O6 + O2
6CO2 + 6H2O ---> C6H12O6 + 6O2
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the Law of Conservation of Mass?
It states that matter cannot be created or destroyed.
It states that energy cannot be created or destroyed.
It states that matter can be created or destroyed.
It states that sound can be created or destroyed.
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the right ratio of chemicals for the balanced chemical equation?
__CO + __Fe2O3--> __Fe + __CO2
Tags
NGSS.HS-PS1-7
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