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Chemical vs Physical Properties & Changes

Total questions: 45

Worksheet time: 43mins

Name
Class
Date
1.
Which type of water is a pure substance?
a)
tap water
b)
distilled
c)
neither
d)
both
2.
What type of substance is this?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
3.
What type of a substance is this?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
4.
What type of a substance is this?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
5.
What type of a substance is this?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
6.
Which are pure substances?
a)
b & d
b)
a & c
c)
a & b
d)
c & d
7.
Which are mixtures?
a)
b & d
b)
a & c
c)
a & b
d)
c & d
8.
A substance's ABILITY to change into a new substance is a
a)
physical property of matter
b)
chemical property of matter
c)
physical change in matter
d)
chemical change in matter
9.
A characteristic that can be measured or observed without changing the identity of the substance is a 
a)
physical property of matter
b)
chemical property of matter
c)
physical change in matter
d)
chemical change in matter
10.
A change in a substance's appearance/physical properties but does NOT result in a new substance (without changing its identity) is a
a)
physical property of matter
b)
chemical property of matter
c)
physical change in matter
d)
chemical change in matter
11.
A change that occurs when a substance changes into an entirely new substance with different properties is a
a)
physical property of matter
b)
chemical property of matter
c)
physical change in matter
d)
chemical change in matter
12.
Ice melting and glass breaking are examples of a
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
13.
Combustibility and reactivity are examples of a
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
14.
Boiling point and density are examples of a
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
15.
Paper burning and metal rusting are examples of a
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
16.
A solid substance dissolving in a liquid is evidence that a __________________ has taken place.
a)
physical change
b)
chemical change
17.
The formation of a precipitate is evidence that a _________________ has taken place.
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
18.
Calculating the density of a substance by dividing the mass by the volume is an example of exploring
a)
physical properties
b)
chemical properties
c)
physical changes
d)
chemical changes
19.
Water vaporizing is evidence that a ______________ has taken place.
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
20.
The formation of gas bubbles is evidence that a _________________ has taken place.
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
21.
Thermal energy (heat) being released or absorbed during a reaction is evidence that a _______________ has taken place.
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
22.
Investigating the boiling point of a substance is an example of exploring
a)
physical properties
b)
chemical properties
c)
physical changes
d)
chemical changes
23.
Testing the flammability of a substance is an example of exploring
a)
physical properties
b)
chemical properties
c)
physical changes
d)
chemical changes
24.
Separating a mixture is an example of a
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
25.
A change in color as a new substances is forming is evidence that a _________________ it taking place.
a)
physical property
b)
chemical property
c)
physical change
d)
chemical change
26.

Describing an object in terms of a measurement such as length is an example of a

a)

physical property

b)

chemical property

c)

physical change

d)

chemical change

27.
In which state of matter do particles move freely because they have enough energy to overcome attractive forces of particles (but NOT the forces that hold the atoms together)?
a)
solids
b)
liquids
c)
gases
d)
plasma
28.
In which state of matter do particles vibrate in place because they do not have enough energy to overcome attractive forces?
a)
solid
b)
liquid
c)
gas
d)
plasma
29.
In which state of matter do particles slide past one another because they have enough energy to overcome SOME of their attractive forces?
a)
solid 
b)
liquid
c)
gas
d)
plasma
30.
In which state of matter do particles have so much energy that they overcome even the forces of attraction that hold atoms together, forming positive ions and electrons?
a)
solid
b)
liquid
c)
gas
d)
plasma
31.
Which shows the movement of particles as a substance ionizes?
a)
1 to 2
b)
2 to 3
c)
3 to 4
d)
3 to 2
32.
Which shows the movement of particles when a substance vaporizes?
a)
a to b
b)
b to c
c)
b to a
d)
c to b
33.

In the diagram, atoms in molecules break apart and rejoin to form different molecules. This is an example of a

a)

physical property of matter

b)

physical change in matter

c)

chemical property of matter

d)

chemical change in matter

34.

In the image, the molecular characteristics of each state are described. This is an example of

a)

physical properties of matter

b)

physical changes in matter

c)

chemical properties in matter

d)

chemical changes in matter

35.

The diagram illustrates changes occurring in a substance due to heat being removed/added. This is an example of a

a)

physical property of matter

b)

physical change in matter

c)

chemical propery of matter

d)

chemical change in matter

36.
The law of conservation of matter states that matter is neither created nor destroyed during a physical or chemical change.  Therefore, the same number of each type of atom remains the same (just rearranged) before and after a chemical reaction.  Using the simulator, what needs to be done to balance the equation so that there are the same number of atoms before and after the reaction?
a)
Change the coefficient to 3 on the product side so that there are 6 nitrogens and 3 oxygens.
b)
Change oxygen's coefficient to 2 on the reactants side so that there are 4 oxygens.
c)
Nothing - the equation is balanced.  There are 4 nitrogens and two oxygens on each side.
37.
What needs to be done to balance this equation?
a)
Change the coefficient for the product to 3 so that there are six hydrogen atoms in the product as shown on the balance. This follows the law of conservation of matter.
b)
Change the hydrogen coefficient on the reactants' side to 3 so that there are six hydrogens on both sides of the equation. Then the number of different atoms in the reactants side is equal to that of the products side, following the law of conservation of matter.
c)
Change the coefficient for nitrogen to 3 on the reactants' and products' side so that the different atoms in the reactants side is equal to that of the products side, following the law of conservation of matter.
38.

As shown in the image, the Law of Conservation of Mass states that the mass of reactants are equal to the mass of products. If, in a different reaction, the mass of two reactants are 120g and 40g, what will the mass of the products be?

a)

4800g

b)

30g

c)

80g

d)

160g

39.

Which image below does NOT illustrate the Law of Conservation of matter/mass?

a)
b)
c)
d)
40.

The image illustrates

a)

physical properties of matter

b)

physical changes in matter

c)

chemical properties of matter

d)

chemical changes in matter

41.

Density is a ratio of mass to volume; higher density substances have more mass in a given amount of space. Which material is the MOST dense?

a)

Material A

b)

Material B

c)

Material C

42.

Particles of a substance gain kinetic energy as thermal energy increases. Faster moving particles have a lower density. Which has the LOWEST density?

a)

Cold Air

b)

Hot Air

43.

The Law of Conservation of Matter states that matter is never created nor destroyed, therefore all atoms present before a reaction should be present after the reaction. Does this reaction illustrate this law?

a)

Yes, because there are the same number of nitrogen atoms on both sides and the same number of hydrogen atoms on both sides.

b)

No, because there are NOT the same number of nitrogen atoms on both sides and the same number of hydrogen atoms on both sides.

44.

The Law of Conservation of Matter states that matter is never created nor destroyed, therefore all atoms present before a reaction should be present after the reaction. Does this reaction illustrate this law?

a)

Yes, because there are the same number of each type of atom on each side of the equation.

b)

No, because there are NOT the same number of each type of atom on each side of the equation.

45.

In the image, the same atoms are REARRANGED during a chemical reaction, illustrating the Law of Conservation of Matter. Which below correctly states this law?

a)

Matter is created but not destroyed.

b)

Matter is destroyed but not created.

c)

Matter is never created nor destroyed, just changed.

d)

Matter cannot change form.

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