wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Regents Chemistry- Unit 2 REVIEW

Total questions: 53

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
2.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
3.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
4.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
5.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
6.
Which is a way that a piece of paper can go through a chemical change?
a)
fold the paper in half
b)
soak the paper in water
c)
burn the paper with fire
d)
cut the paper with scissors
7.

Dry ice is solid carbon dioxide, or CO2. Dry ice may be used as a cooling agent and contains two oxygen atoms bonded to a carbon atom. Dry ice is a ___________________ .

a)

pure substance

b)

mixture

8.

Instant coffee is made by dissolving a powder in hot water. Instant coffee is a ___________________ .

a)

pure substance

b)

mixture

9.

The substances in this mixture DO NOT blend smoothly throughout, and the individual substances that compose the mixture can be detected or seen.

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Pure substance

d)

Suspension

10.

The substances in this mixture have been mixed together so well that the different parts will not separate on their own.

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Pure substance

d)

Suspension

e)

Solution

11.

Given the balanced equation representing a reaction:

C7H6O2 + O2 → CO2 + H2O.

If 45 grams of C7H6O2 and 8 grams of O2 react completely, forming 42 g of CO2, what is the total mass of H2O produced?

a)

11 g

b)

45 g

c)

53 g

d)

42 g

12.

An element and a compound are

a)

homogeneous mixtures

b)

heterogeneous mixture

c)

substances

d)

solutions

13.

Kool aid, a liquid containing water mixed evenly with kool aid powder is a

a)

element

b)

compound

c)

heterogeneous mixture

d)

solution

14.
Compounds are different than elements because compounds are -
a)
A combination of two or more elements.
b)

not able to be broken down into parts

c)
made from the same type of atoms
d)
a pure substance, elements are not
15.

[check all that apply] Pure substances include:

a)

Elements

b)

Homogeneous Mixtures

c)

Compounds

d)

Heterogeneous Mixtures

16.

An element is?

a)

Chemically combined

b)

Pure substances that can be broken down

c)

Pure substances that cannot be broken down into simpler substances

d)

One or more elements chemically combined.

17.
Italian Salad Dressing
a)
heterogeneous mixture
b)
homogeneous mixture
18.
mashed, unpeeled potatoes
a)
Heterogeneous mixture
b)
Homogeneous mixture
19.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
20.
Which of the following is a way in which elements and compounds are similar?
a)
Elements and compounds are pure substances.
b)
Elements and compounds are both made up of different kinds of atoms.
c)
Elements and compounds can both be broken down by physical means.
d)
Elements and compounds are listed on the periodic table.
21.
Classify the sample
a)
Pure substance
b)
Mixture
22.
Classify the sample
a)
Pure Substance
b)
Mixture of Elements
c)
Mixture of Compounds
23.
Classify the Sample. 
a)
Pure Substance
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements and Compound
24.
Classify the sample. 
a)
Pure Substance
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Element and Compound
25.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

26.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
27.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

a)

I

b)

II

c)

III

d)

IV

28.

One pure substance boils, escapes, condenses, and gets collected as a liquid.

a)

Distillation

b)

Filtration

c)

Decantation

d)

Recrystallization

29.

Smaller particles pass through a filter paper, larger particles get trapped.

a)

Distillation

b)

Filtration

c)

Decantation

d)

Recrystallization

30.

a)

Distillation

b)

Centrifugation

c)

Filtration

d)

Chromatography

31.
The movement of thermal energy from a warmer object to a cooler object is called:
a)
heat
b)
temperature
c)
motion
d)
momentum
32.
Heat transfer occurs:
a)
in many directions
b)
both from warm objects to colder ones and from cold objects to warmer ones
c)
only from warm objects to colder ones
d)
only from cold objects to warmer ones
33.
A measure of the average kinetic energy of the individual particles in an object is called:
a)
thermal energy
b)
conduction
c)
convection
d)
temperature
34.
When you touch something that feels cold, 
a)
heat from your hand moves into the cold substance.
b)
coldness moves from the cold substance into your hand.
c)
it melts.
d)
it freezes.
35.
Kinetic Energy is defined as
a)
Energy stored due to its location
b)
Energy of motion
c)
Energy stored in the bonds of molecules
d)
Heat energy
36.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

37.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

There is more water than sand at the beach.

d)

There is more sand than water at the beach.

38.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
39.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

40.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
41.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
42.

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat capacity of iron.

a)

0.46 J/goC

b)

1.654 J/goC

c)

2,567,446.875 J/goC

43.

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22.0°C to 55.0°C, if the specific heat of aluminum is 0.903 J/g°C?

a)

298 Joules

b)

0.003 Joules

c)

297 J/g°C

d)

0.003 J/g°C

44.

The specific heat(c) of copper is 0.38 J/g °C. What is the temperature change(∆t) when 100.0 Joules of heat(Q) is added to 20.0 grams?

a)

13 °C

b)

13.2°C

c)

13.16 °C

45.
The unit Joules is for ___________
a)
heat energy
b)
temperature
c)
specific heat
46.

Convert

450 K450\ K  to Celsius

a)

723oC723^oC  

b)

277oC277^oC  

c)

177 oC177\ ^oC  

d)

623oC623^oC  

47.

Which of the following substances is made up of particles with the highest average kinetic energy?

a)

Fe(s) at 35ºC

b)

Br2(l) at 20ºC

c)

H2O() at 30ºC

d)

CO2(g) at 25ºC

48.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
49.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

50.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
51.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

It is an exothermic reaction

b)

It is an endothermic reaction

52.

Temperature is...

a)

A measure of average kinetic energy in a substance

b)

The same as heat

c)

A measure of the movement of the atoms in a substance

d)

A measure of the average potential energy in a substance

53.

In an isolated system, the amount of heat gained by one substance is exactly equal to the amount of heat lost by the second substance.

a)

work equals change in kinetic energy

b)

The law of conservation of energy

c)

internal energy

d)

Hubble's Law

Similar Resources on Wayground

Golf Rules Quizzes

50 questions

Golf Rules Quizzes

quiz

Worksheet

•

9th - 12th Grade

ESC4 Lesson 13 Neighborhood 社区

51 questions

ESC4 Lesson 13 Neighborhood 社区

quiz

Worksheet

•

9th Grade

PKN 12

50 questions

PKN 12

quiz

Worksheet

•

12th Grade - University

Occupational Health and Safety

55 questions

Occupational Health and Safety

quiz

Worksheet

•

9th Grade

Farmakognosi XI FKK

50 questions

Farmakognosi XI FKK

quiz

Worksheet

•

11th Grade

MULOK PERKANTORAN ( KKPI )

50 questions

MULOK PERKANTORAN ( KKPI )

quiz

Worksheet

•

11th Grade - University

Foods 30S Nutrients Quiz

51 questions

Foods 30S Nutrients Quiz

quiz

Worksheet

•

10th Grade

Bahasa Indonesia

50 questions

Bahasa Indonesia

quiz

Worksheet

•

9th Grade