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15
×
Which of the following is a SOLID element at room temperature?
Hydrogen
Oxygen
Helium
Iron
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15
×
What makes a compound different from a mixture?
Compounds are invisible
Mixtures are always liquids
Compounds have more mass
The atoms in a compound are chemically bonded
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15
×
What tool can filter solid particles from a liquid?
Magnet
Beaker
Filter paper
Graduated cylinder
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boom
Lose 50 points!
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gift
Win 15 points!
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×
shark
Other team loses 20 points!
Okay!
×
banana
Go to last place!
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15
×
When iron and sulfur combine, they form:
A gas
An element
A mixture
Iron sulfide
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trap
No points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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15
×
What is a concentrated solution?
One with no solute
A frozen solution
A solution with a lot of solute
A gas mixed in a liquid
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15
×
What type of structure does pyrite have?
No defined shape
Cubic crystal structure
Flat layers
Random pattern
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15
×
What does an IR spectrometer measure?
Temperature of a sample
Vibrations in chemical bonds
Water content in soil
Weight of a rock
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15
×
Pyrite is commonly known as:
Fool’s gold
Iron crystals
Sulfur dust
True gold
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15
×
A particle diagram would typically show:
The color of a substance
The weight of elements
How atoms rearrange during reactions
The temperature of a reaction
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15
×
Which substance forms when iron reacts with sulfur?
Iron sulfide
Sulfuric acid
Magnesium sulfide
Iron oxide
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15
×
In the word equation "Iron + Sulfur → Iron sulfide", what are the reactants?
Magnesium
Oxygen
Iron and sulfur
Iron sulfide
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15
×
The process of elements combining chemically is called:
Compound formation
Evaporation
Dissolving
Mixing
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heart
Other team wins 5 points!
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seesaw
Swap points!
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×
gift
Win 25 points!
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banana
Go to last place!
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15
×
What process turns steam back into water during distillation?
Sublimation
Freezing
Evaporation
Condensation
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