Conservation of Mass
Authored by Stephen Batchelder
Science
8th Grade
NGSS covered
Used 196+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the Law of Conservation of Mass?
Mass is created in a chemical reaction
Mass is created in a physical change
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
Mass is never created or destroyed
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In reaction A +B --> C, reactants A + B have a total mass of 9g. What is the mass of product C?
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In reaction A +B --> C, reactant A has a mass of 4g and product C has a mass of 9g. What is the mass of reactant B
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In reaction A +B --> C, reactant B has a mass of 9g and product C has a mass of 14g. What is the mass of reactant A?
4g
5g
9g
14g
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
24 g of magnesium reacts with 38 g of fluorine to produce ______ g of magnesium fluoride
14
24
38
62
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
7 g of hydrogen reacts with 17 g of oxygen to produce ______ g of water
14
24
38
62
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
12.67 g of Carbon reacts with 25.33 g of oxygen to produce ______ g of Carbon Dioxide
14
24
38
62
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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