Reactants and Products Lesson

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When coal is burned, sulfur is released into the air, where it reacts with oxygen to produce sulfur dioxide and sulfur trioxide. Which of these is true of this process?
The identity of each reactant remains the same.
Sulfur dioxide and sulfur trioxide are the reactants in this change.
The products have different chemical properties than those of the reactants.
The products contain more sulfur atoms and fewer oxygen atoms than the reactants.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The substances listed on the right side of a chemical equation are the
Yields
Reactants
Products
Precipitates
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When paper is burned, the mass of the remaining ash is less than the mass of the original paper. Which statement best explains this result?
The ash has less volume than the paper.
Some of the matter is destroyed during the reaction.
The mass of the ash cannot be accurately determined.
Some of the products of the reaction were given off as a gas.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which substance is a product in this reaction?
carbon (C)
oxygen (O2)
water (H2O)
ethane (C2H6)
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this equation balanced?
Yes
No
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many molecules of KNO3 are shown?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Select all the Products
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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