Practice Quiz (Conservation of Matter)
Authored by Lynn Chuang
Science
10th Grade
NGSS covered
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following equations correctly shows the combustion of propane gas (C3H8)?
1 C3H8 + 5 O₂ → 3 CO₂ + 4 H₂O
1 C3H8 + 3 O₂ → 1 CO₂ + 4 H₂O
1 C3H8 + 2 O₂ → 1 CO₂ + 4 H₂O
1 C3H8 + 3 O₂ → 1 CO₂ + 1 H₂O
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The element Fluorine has a chemical symbol of F. How many protons does an atom of Fluorine have?
7
2
19
9
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following equations correctly shows the combustion of benzene gas (C6H6)?
1 C6H6 + 7 O₂ → 6 CO₂ + 3 H₂O
1 C6H6 + 15 O₂ → 6 CO₂ + 3 H₂O
2 C6H6 + 15 O₂ → 12 CO₂ + 6 H₂O
2 C6H6 + 9 O₂ → 12 CO₂ + 6 H₂O
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the law of conservation of mass, what is the combined mass of carbon dioxide and water molecules formed when 2.46 grams of solid sucrose reacts with 5.28 grams of oxygen gas?
5.60 grams
7.74 grams
2.46 grams
0.00 grams
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction CH₄ + 2O₂ → CO₂ + 2H₂O, how many molecules of oxygen are required to completely react with one molecule of methane?
1
2
3
4
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When balancing a chemical equation, what must be equal on both sides of the equation?
The number of molecules
The number of atoms of each element
The number of compounds
The number of electrons
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle is not located in the nucleus of an atom?
nucleus
electron
proton
neutron
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