

Understanding Pure Substances and Mixtures
Interactive Video
•
Chemistry
•
5th - 6th Grade
•
Practice Problem
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main objective of the lesson on pure substances and mixtures?
To learn about the states of matter
To understand chemical reactions
To explore the periodic table
To differentiate between pure substances and mixtures
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a pure substance?
Silver
Air
Sand
Salt water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of elements?
They are always synthetic
They are mixtures of different atoms
They are made up of one kind of atom
They can be broken down by chemical means
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a heterogeneous mixture?
Salt water
Water and sand
Vinegar
Blood plasma
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a homogeneous mixture be described?
It consists of only one element
The components are easily identifiable
The composition is uniform throughout
It can be separated by hand picking
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to separate a liquid mixture by heating and cooling?
Chromatography
Filtration
Decantation
Simple distillation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of chromatography?
To separate mixtures by size
To separate mixtures by passing them through a medium
To separate mixtures by heating
To separate mixtures by cooling
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