
Conservation of Mass
Quiz
•
Science, Chemistry
•
8th - 10th Grade
•
Medium
Elizabeth Bryan
Used 17+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about a balanced chemical equation?
Reactants are on the right
Products are on the left
Subscripts can be changed
Coefficients can be changed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the mass of one product was 3 grams, and the mass of another product was 4 grams, what was the mass of the reactants?
1 gram
4 grams
7 grams
12 grams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 AgI + Na2S → Ag2S + 2 NaI
What is the mole ratio?
2:1:1:2
1:2:1:2
2:2:1:2
2:1:1:1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ba3N2 + 6 H2O → 3 Ba(OH)2 + 2 NH3
What is the mole ratio?
3:2:6:2
1:6:3:2
3:6:3:2
1:2:3:6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the mass of one reactant was 10 grams, and the mass of another reactant was 2 grams, what was the mass of the products?
2 grams
8 grams
20 grams
12 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Every substance has a different molar mass.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heavier elements have a larger amount of atoms per mole than lighter elements.
True
False
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