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WorksheetspH & Properties of Matter Practice
Total questions: 45
Worksheet time: 23mins
Matter may be a gas, a solid, or a liquid. It can change from one state to another. Which of the following may cause matter to change form?
a change in mass
a change in color
a change in volume
a change in temperature
The amount of space occupied by a sample of matter. It is typically measured in mL or cm3.
mass
volume
matter
density
A measure of the amount of matter in an object. It is typically measure in grams or kilograms.
mass
matter
volume
states of matter
How are you able to determine the physical properties of a substance?
by using the senses to smell, taste, hear, feel or see it
by determining its placement on the periodic table of elements
by observing how it reacts with other substances
When mixing two liquids together, they begin to fizz and bubble. This is an example of a chemical change.
TRUE
FALSE
A ___________________________ property is a characteristic that can be observed and measured. This property doesn't make a new substance.
Chemical
Physical
An ice cube melts into liquid water. This is an example of a:
Physical change
Chemical change
Using color to describe an object is an example of a ________ property.
physical
chemical
This property refers to the gentle sheen or soft glow/shine an object has.
taste
color
texture
luster
Which of the following properties is a chemical propety?
solubility
density
tarnish
malleability
Which of the following properties are physical properties? Check all that apply.
viscosity
texture
flammability
rusting
odor
Which of the following is an example of a physical change?
water freezing into solid ice
a piece of wood burning
a toy car rusting
zinc producing hydrogen gas bubbles when mixed with water
Which phrase accurately describes a chemical change?
a change in the appearance of an object
a change on the molecular level of a substance
a change in state
a change in form
Sand paper feeling rough to the touch would describe which of the following physical properties?
luster
color
textue
shape
This is the variable in an experiment that is determined by the experiment; is is the data being collected.
controlled variable
dependent variable
independent variable
A property that describes the ability of a material to be shaped, flattened, or otherwise deformed without breaking.
viscosity
malleability
flammability
solubility
This variable that the scientist purposefully changes in order to determine its effect; it influences the data
independent variable
dependent variable
controlled variable
This variable remains constant throughout the entire experiment in order to allow for fair and reliable results.
independent variable
dependent variable
controlled variable
The pH scale is a range from;
1-7
0-14
1-5
1-20
A(n) _________ is a substance with a pH less than 7.
acid
base/alkaline
neutral
buffer
A(n) _______ is a substance with a pH greater than 7.
acid
base/alkaline
neutral
buffer
What is the only substance with a neutral pH of 7?
milk
water
orange juice
blood
Complete the sentence: A substance that is more basic has a _____ pH than a substance that is acidic.
lower
higher
the same
none of the above
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about their relationship?
both of the solutions are bases
both of the solutions are acids
the baking soda is an acid and the bleach is a base
the baking soda is a base and the bleach is an acid
A base is a substance
that releases OH- ions (hydroxide) when dissolved in water
that releases H+ ions (hydrogen) when dissolved in water
does not release any ions when dissolved in water
none of the above
On the pH scale higher numbers indicate
acids
bases
Water has a neutral pH because
it has more H+ ions that OH-
it has more OH- ions that H+
it does not produce any ions
it has an equal amount of H+ and OH- ions in the solution
According to the pH range which substance is more acidic than lemon juice?
hydrochloric acid
milk
coffee
bleach
Bleach is a strong base, what is the pH level of bleach?
13
1
14
2
A solution has a pH of 7.0. What would happen to the pH if OH- ions were added?
pH would go up
pH would go down
pH would stay the same
none of the above
Which of the following pH levels would be considered the strongest base?
4
7
14
12
A solution with a pH of 8.6 would be....
acid
neutral
base
acid and base
A solution with a pH of 3.6 would be...
acid
neutral
base
acid and base
Is this substance acidic, basic or neutral>
acidic
basic
neutral
Which of the following is a property of a base?
slippery to touch
ability to corrode metal
sour taste
ability to form H+ ions
During this type of reaction, a salt is formed when an acid and base react with one another.
neutralization
acidification
synthesis
basicity
A solution has a pH of 7.0. What would happen to the pH if H+ ions were added?
pH would go up an the substance would become more basic.
pH would go down and the substance would become more acidic.
pH would stay the same
pH would neutralize
What color will an acid turn litmus paper?
blue
red
yellow
green
Bases will turn litmus paper_________.
red
blue
yellow
green
A(n) ______________ will tell you if a substance is an acid or a base by changing color.
solution
salt
neutralization reaction
indicator
Which of the following terms describes a liquid of gel that contains ions and is able to conduct electricity?
indicator
pH
electrolyte
corrosive
Which of the following acids is one of the most widely used chemicals in the world and is also known as "battery acid"?
sulfuric acid
phosphoric acid
nitric acid
hydrochloric acid
Which of the following acids would be safest to ingest?
sulfuric acid
citric acid
hydrochloric acid
nitric acid
Bases are typically found in:
pollution
juices
foods
cleaning products
Select the statement that is TRUE.
The lower the pH, the stronger the base.
The higher the pH, the stronger the acid.
Vinegar is a neutral substance with a pH of 2.5
The lower the pH, the stronger the acid.
