Which process is an example of a chemical change?
Mod J Unit 3 Lesson 1 Quiz - Chemical Reactions

Quiz
•
Chemistry, Science
•
6th - 8th Grade
•
Medium
Monica Funston
Used 16+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
cooking a steak
chopping a tree
heating a cup of tea
drying clothes in the dryer
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which property could be used to identify a substance?
mass
weight
density
volume
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Austin has a mixture of iron filings, sand, and salt. To separate them he uses a magnet, boiling, and a filter. Which is true?
Austin uses only physical changes to separate the components.
Austin uses only chemical changes to separate the components.
Austin uses both physical and chemical changes to separate the components.
Austin uses neither physical nor chemical changes to separate the mixture.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which indicates that a chemical reaction has taken place?
A loud noise produced when crushing a can.
A puddle produced by melting an ice cube.
An odor produced by burning a sugar cube.
A shard of glass produced by breaking a bottle.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A chemical reaction occurs. Which is true of the reactants and the products?
Atoms in the products are regrouped into different molecules to form reactants.
Atoms in the reactants are regrouped into different molecules to form the products.
Atoms in the products were destroyed and new molecules appeared to form the reactants.
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A student observed a precipitate form during a chemical reaction. Which did the student most likely observe?
Bubbles of gas floated to the top of a solution.
The color of the liquid changed when a solid was added.
Steam rose from a flask when powder was added to the liquid.
A solid sank to the bottom of a container when two liquids were mixed.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which process is an example of a chemical change?
Salt mixes with water and dissolves.
An aspirin tablet is crushed into a fine powder.
Water droplets form on the outside of as cold drink glass.
An antacid tablet is added to water and bubbles are produced.
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