Mixture & Pure Substances, Acids, and Bases

Quiz
•
Science
•
6th - 8th Grade
•
Medium
+1
Standards-aligned
Jennifer Atkinson
Used 8+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To prepare for a lab in science class, Cheryl is mixing 20 grams of table salt (NaCl) into a beaker of 100 mL of water. She now needs to explain her procedures in making the solution in her science notebook. Which of the following terms should she use to describe the dissolved substance in the solution?
Solute
Mole
Solvent
Suspension
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marjorie has learned that the substances in a mixture retain their physical properties, therefore the mixture can be separated back into the original components. Which of the following would be a way to recover salt that has been dissolved in water?
by evaporating the water
by filtering the salt solution
by pouring off the upper part of the solution
by siphoning off the lower part of the solution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In science class, Melanie and Olivia have been learning about homogeneous and heterogeneous mixtures. Their teacher has asked them to find an example of each type of mixture and create it for the class. Which of the following is the best example to use to demonstrate a heterogeneous mixture?
Lemonade made of water, lemonade powder mix, and sugar.
An omelet made of scrambled eggs and cheddar cheese.
Trail mix made of raisins, peanuts, and chocolate candies.
A glass of ice water made of ice cubes and pure water.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For generations, the Johnson family has passed down a recipe for salad dressing. This morning, Emily made the family recipe for her mother’s surprise birthday dinner. She notices that each time before someone used the salad dressing, they needed to shake the bottle before pouring. When they set the bottle down, she could observe the ingredients of the salad dressing separating. Given Emily’s observations of the salad dressing, which of the terms below BEST describes the salad dressing?
Mixture
Element
Solution
Compound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A dish is given to you, which contains a blackish-yellow powder. When you move a magnet over it, you are amazed to see black iron particles fly upwards and get stuck to the magnet, and all that's left in the dish is a yellow powder, which you discover to be sulfur. Was your original powder an element, compound or mixture?
Element
Compound
Mixture
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apple juice is an example of a(n) ________.
Compound
Heterogeneous Mixture
Homogeneous Mixture
Colloid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of mixture has easily seen, separate parts?
Colloid
Homogeneous mixture
Solution
Heterogeneous Mixture
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