Law of Conservation of Mass
Authored by Michael Garza
Science
8th Grade
NGSS covered
Used 313+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
40 grams of calcium reacts with 71 grams of chlorine to produce _______ g of calcium chloride.
31
101
100
111
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______ g of potassium reacts with 16 g of oxygen to produce 94 g of potassium oxide.
88
110
50
78
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
14 g of lithium reacts with _____ g of sulfur to produce 46 g of lithium sulfide.
32
60
25
10
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
24 g of magnesium reacts with 38 g of fluorine to produce ______ g of magnesium fluoride.
10
24
14
62
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
88 g of strontium reacts with 160 g of bromine to produce _______ g of strontium bromide.
72
240
248
80
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______ g of hydrogen reacts with 32 g of oxygen to produce 34 g of hydrogen peroxide.
2
3
66
64
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the chemical equation following the Law of Conservation of Mass?
3 H2 + N2 → 2 NH3
Yes, it is following the Law
No, it is not following the Law
Tags
NGSS.MS-PS1-5
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