Law of Conservation of mass
Authored by Melody Hawkins
Chemistry
8th - 9th Grade
NGSS covered
Used 1K+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
How many Calcium atoms are in this compound?
Ca (OH)2
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
How many Sulfur atoms are in this compound?
Al2(SO4)3
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
Is this equation balanced or unbalanced?
H2 + O2 --> H2O
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Is this equation balanced or unbalanced?
CH4 + 2O2--> CO2+ 2H2O
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
Is this equation balanced or unbalanced?
2Fe2O3 + 3C --> 4Fe + 3 CO2
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
20 sec • 12 pts
12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
In the reaction shown by the equation, 252 grams of FeCl2 and 70 grams of Cl2 are consumed.
2FeCl2+ Cl2--> 2FeCl3
How many grams of FeCl3 are produced?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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