Balancing Chemical Reactions
Authored by Kara Winter
Chemistry
8th - 11th Grade
NGSS covered
Used 714+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following models best demonstrates a balanced chemical equation?
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The reactants are on the left side of the chemical equation.
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
All of the following reactions are correctly balanced except-
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a ___________change, a substance changes into a different substance.
Physical
Chemical
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The Law of Conservation of Mass states
that matter exists in all states and reacts the same
that matter can only be changed into new substances by introducing a catalyst
that matter exists in the same state throughout any chemical change
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many Al atoms are in 4Al2O3?
2
8
6
4
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
___________________ are the elements or compounds that leave (are formed in) a chemical reaction.
Polymers
Bonds
Reactants
Products
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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