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WorksheetsUnit 3
Total questions: 20
Worksheet time: 11mins
Are subscripts behind or in front of elements in a chemical formula?
Behind
In front
Is saltwater a pure substance or a heterogeneous or homogeneous mixture?
pure substance
heterogeneous
homogeneous
Is table salt a pure substance or a mixture?
pure substance
mixture
Is water...?
pure substance
homogeneous mixture
heterogeneous mixture
compound
element
Is trail mix a...?
homogeneous
heterogeneous
Is chocolate milk a...?
homogeneous
heterogeneous
Is water a...?
pure substance
homogeneous mixture
heterogeneous mixture
element
compound
Is liquid mercury a...?
pure substance
homogeneous mixture
heterogeneous mixture
What is salt made of?
NaI
NaCl
SCl
SI
What is a compound?
Molecule made of 3 or more elements
Combination of 2 or more of the same elements
Molecule made of 2 or more elements
What's an element?
Biggest unit of matter
2 combined compounds
Smallest unit of matter that retains properties
A compound
Which is a property of acids?
Blue color
Sour taste
Slippery feeling
Bitter taste
8-14 on the pH scale is...?
Acids
Bases
1-6 on the pH scale is...?
Acids
Bases
Do acids give off OH- or H+
OH-
H+
What is viscosity?
The ability to flow fast
how fast something flows
no clue
the resistance to flow
What is the equation for density?
V/M
M/Weight
M/V
T/V
What causes pressure to increase?
Temperature decreases
Bigger container
Decrease in molecule speed
Smaller container
Do you weigh less on the moon or earth?
Moon
Earth
Is soil a pure substance of a mixture?
Pure Substance
Homogeneous mixture
Heterogeneous mixture
