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Quiz von Karen Moulton, aktualisiert more than 1 year ago
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Erstellt von Karen Moulton
vor fast 9 Jahre
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Frage 1
Frage
Select all of the metals in this list.
Antworten
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hydrogen
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mercury
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iron
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gold
Frage 2
Frage
Which of these is an alloy?
Antworten
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iron
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hydrogen
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carbon dioxide
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steel
Frage 3
Frage
Most elements are metals.
Antworten
- True
- False
Frage 4
Frage
The Periodic Table of Elements is organized by [blank_start]chemical properties and atomic numbers.[blank_end]
Antworten
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chemical properties and atomic numbers.
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physical and chemical properties.
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number of protons and neutrons.
Frage 5
Frage
[blank_start]Mixtures[blank_end] are two or more substances together.
Antworten
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Mixtures
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Solutions
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Compounds
Frage 6
Frage
Select all of the compounds listed below.
Antworten
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Carbon Dioxide
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Water
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Sugar
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Salt
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O2
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H2
Frage 7
Frage
Which of these is a molecule of a compound?
Antworten
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O2
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CO2
Frage 8
Frage
How many atoms are in this chemical formula: 2NaHCO3?
Antworten
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7
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12
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9
Frage 9
Frage
Solutions are mixtures.
Antworten
- True
- False
Frage 10
Frage
Sugar is an element.
Antworten
- True
- False
Frage 11
Frage
Which of these statements is true for all metals?
Antworten
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All metals conduct heat and are lustrous.
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All metals conduct electricity and heat.
Frage 12
Frage
Mark all choices that state characteristics of metals. (Does not have to be true for all metals).
Antworten
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are lustrous
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can be bent without breaking
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can be hammered without breaking
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can not be mixed
Frage 13
Frage
When you add [blank_start]oxygen[blank_end] to iron, you get a chemical reaction which gives the product, rust.
Antworten
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oxygen
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hydrogen
Frage 14
Frage
Another name for rust is iron oxide.
Antworten
- True
- False
Frage 15
Frage
Mark all that would be evidence of a chemical reaction.
Antworten
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dissolving
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foaming, bubbling, fizzing
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clear solution
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temperature change
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precipitate forms
Frage 16
Frage
Mark all that would be evidence of a saturated solution.
Antworten
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precipitate forms
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solute on the bottom
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temperature change
Frage 17
Frage
Which of these would supersaturate a solution?
Antworten
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cooling it
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heating it
Frage 18
Frage
To separate a salt solution, you must use [blank_start]evaporation[blank_end].
Antworten
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evaporation
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a filter
Frage 19
Frage
The smallest amount of sugar you can have is a/an
Antworten
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atom
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molecule
Frage 20
Frage
The most abundant element and the most abundant compound in the human body are
Antworten
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hydrogen and carbon dioxide.
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oxygen and water.
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