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Science Review for Mixtures and Solutions

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This quiz is to help students review for the unit test.
Karen Moulton
Quiz by Karen Moulton, updated more than 1 year ago
Karen Moulton
Created by Karen Moulton over 8 years ago
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Resource summary

Question 1

Question
Select all of the metals in this list.
Answer
  • hydrogen
  • mercury
  • iron
  • gold

Question 2

Question
Which of these is an alloy?
Answer
  • iron
  • hydrogen
  • carbon dioxide
  • steel

Question 3

Question
Most elements are metals.
Answer
  • True
  • False

Question 4

Question
The Periodic Table of Elements is organized by [blank_start]chemical properties and atomic numbers.[blank_end]
Answer
  • chemical properties and atomic numbers.
  • physical and chemical properties.
  • number of protons and neutrons.

Question 5

Question
[blank_start]Mixtures[blank_end] are two or more substances together.
Answer
  • Mixtures
  • Solutions
  • Compounds

Question 6

Question
Select all of the compounds listed below.
Answer
  • Carbon Dioxide
  • Water
  • Sugar
  • Salt
  • O2
  • H2

Question 7

Question
Which of these is a molecule of a compound?
Answer
  • O2
  • CO2

Question 8

Question
How many atoms are in this chemical formula: 2NaHCO3?
Answer
  • 7
  • 12
  • 9

Question 9

Question
Solutions are mixtures.
Answer
  • True
  • False

Question 10

Question
Sugar is an element.
Answer
  • True
  • False

Question 11

Question
Which of these statements is true for all metals?
Answer
  • All metals conduct heat and are lustrous.
  • All metals conduct electricity and heat.

Question 12

Question
Mark all choices that state characteristics of metals. (Does not have to be true for all metals).
Answer
  • are lustrous
  • can be bent without breaking
  • can be hammered without breaking
  • can not be mixed

Question 13

Question
When you add [blank_start]oxygen[blank_end] to iron, you get a chemical reaction which gives the product, rust.
Answer
  • oxygen
  • hydrogen

Question 14

Question
Another name for rust is iron oxide.
Answer
  • True
  • False

Question 15

Question
Mark all that would be evidence of a chemical reaction.
Answer
  • dissolving
  • foaming, bubbling, fizzing
  • clear solution
  • temperature change
  • precipitate forms

Question 16

Question
Mark all that would be evidence of a saturated solution.
Answer
  • precipitate forms
  • solute on the bottom
  • temperature change

Question 17

Question
Which of these would supersaturate a solution?
Answer
  • cooling it
  • heating it

Question 18

Question
To separate a salt solution, you must use [blank_start]evaporation[blank_end].
Answer
  • evaporation
  • a filter

Question 19

Question
The smallest amount of sugar you can have is a/an
Answer
  • atom
  • molecule

Question 20

Question
The most abundant element and the most abundant compound in the human body are
Answer
  • hydrogen and carbon dioxide.
  • oxygen and water.
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