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Chem Ch1 Review Flashcards | StudBud
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Chem Ch1 Review
Chem Ch1 Review
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1
Descibing matter using words is known as ____________
qualitative
quantitative
2
Which of the following is NOT a common diatomic molecule?
N2
H2
Ag2
O2
3
peroxide on a wound is a _______
physical change
chemical change
4
12 km is how many cm?
120 cm
12000 cm
1200000 cm
12 cm
5
Your weight is the same on Earth as the moon
false
true
6
Which of the following is NOT evidence that a chemical reaction has taken place?
formation of gas
formation of precipitate
giving off of water
color change
7
Wood in a bonfire goes through a
chemical change
physical change
8
Your mass is the same on Earth as the moon
false
true
9
What is the SI unit for volume of a liquid?
meter
kilogram
second
leter
10
A mixture with varied composition is __________
homogenous
heterogenous
11
The exponent for centi is ______
10^-2
10^3
10^6
10^-6
12
Chopping down a tree is a
physical change
chemical change
13
Anything with mass and volume is _________
mass
matter
chemical
molecule
14
A compound is made from ___________
1 element
3 or more elements
2 or more elements
no elements
15
The study of matter and it's properties
Anatomy
Chemistry
Physics
Earth Science
16
A mixture with uniform composition is __________
homogenous
heterogenous
17
What is the equation for density?
volume/time
volume/mass
time/mass
mass/volume
18
Descibing matter using numbers is known as _______________
qualitative
quantitative
19
Gravel is
heterogenous
homogenous
20
What is the SI unit for mass?
leter
kilogram
second
meter
21
The exponent for Mega (M) is
10^-6
10^6
10^-2
10^3
22
salt water
homogenous
heterogenous
23
A substance that has a definite composition is a
matter
density
chemical
molecule
