In this reaction, how much CO2 is produced?
Law of Conservation of Mass

Quiz
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
42 g
24 g
23 g
No grams produced
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a reaction A + B → C, reactant A has 5 g and product C has 9 g. How many grams does reactant B should have?
4 g
5 g
9 g
14 g
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms do you have in the chemical formula 2Mg(ClO3)2?
2 atoms
7 atoms
9 atoms
18 atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If there are 4 Hydrogen atoms on the reactant side, how many Hydrogen atoms will be on the product side?
More information is needed to answer
6 atoms
4 atoms
2 atoms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the right part of a chemical equation called...
2H2 + O2 → 2H2O
Reactants
Products
Yield
Chemical Equation
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms do you have in the chemical formula 3H2O2?
7 atoms
12 atoms
4 atoms
6 atoms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Law of conservation of mass states the amounts of atoms in the reactants and the products...
Increase
Decrease
Stay the same
No correct answer
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