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1)
Which of the following is a physical property of copper?
reacts with ammonia to form a blue solution
reacts with moist air to form copper carbonate
conducts electricity
forms new substances when combined with nitric acid
2)
Three physical forms that describe all matter that exists on Earth?
solution
states of matter
percent by mass
crystallization
3)
A form of matter with a constant volume that takes the shape of its
container
liquid
crystallization
solid
solution
4)
A form of matter with a definite shape and volume?
crystallization
solution
solid
liquid
5)
Wich is an example of vapor?
steam
gold
methane
sterling silver(silver and copper)
6)
Which of the following represents a physical change?
cutting potatoes up
baking potatoes
frying potatoes
burning potatoes
7)
Which of the following is not an indication of a chemical change?
melting
change in temp
change in color
formation of a gas
8)
States that mass is neither created nor destroyedin any process.
law of definite proportions
law of multiple proportions
law of conservation of mass
states of matter
9)
Identify numbers 9 - 15 as either a physical property or a chemical
property;breaking a pencil in half
physical
chemical
10)
wood burning
physical
chemical
11)
siver tarnishing
physical
chemical
12)
ice melting
physical
chemical
13)
hard boiling an egg
physical
chemical
14)
grinding coffee beans
physical
chemical
15)
burning gasoline
physical
chemical
16)
Which of the following is a heterogeneous mixture
water vapor
air
hot tea
sand and water
17)
Which of the following is a homogeneous mixture?
silicon
air
nickel
carbon
18)
Another term for homogeneous mixture is
liquid
gas
solid
solution
19)
Identify the mixtures in numbers 19 - 26 as either homogeneous or
heterogeneous; stainless steel
homogeneous
heterogeneous
20)
granite
homogeneous
heterogeneous
21)
air
homogeneous
heterogeneous
22)
oil and water
homogeeous
heterogeneous
23)
wild bird seed
homogeneous
heterogeneous
24)
chunky peanut butter
homogeeous
heterogeneous
25)
dirt
homogeneous
heterogeneous
26)
gasoline
homogeneous
heterogeneous
27)
Identify the technique you would use to seperate a mixture of sand
and water.
distillation
filtration
28)
Which of the following is a compound?
calcium carbonate
sodium
calcium
nitrogen
29)
Which is an example of an element?
brass
salt
aluminum
30)
What is an example of an element?
sterling silver(silver and copper)
gold
methane
steam
31)
A starting substance in a chemical reaction is
coefficient
aqueous
precipiatate
reactant
32)
A substance formed during a chemical reaction is
spectator ion
reactant
coefficient
product
33)
The temperature point at which a solid becomed a liquid is
freezing point
boiling point
melting point
condendation
34)
A graph that shows in which phase a substance exists under
different conditions of temperature and pressure
barometer
kinetic -molecular theory
phase diagram
Dalton law of partial prexxo
35)
Temperature at which a liquid becomes a solid
freezing point
barometer
melting point
boiling point
vapor pressure
36)
Each pure substance in a ----------------------- retains many of
its individual properties
37)
A -------------- expands to fillthe entire volume of a container
38)
A mixture can be seperateed by ------------ means
