wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

EXAM

Total questions: 78

Worksheet time: 3hrs 36mins

Name
Class
Date
1.
Which problem is balanced?
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
2.
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
3.
KNO3 --> KNO2 + O2
What coefficients are needed to balance the reaction?
a)
2, 2, 1
b)
2, 3, 2
c)
1, 2, 2
d)
1, 3, 1
4.
Balance this equation-
__P4 + __O2 --> __P2O3
a)
it is already balanced
b)
2, 1, 3
c)
1, 2, 3
d)
1, 3, 2
5.
Balance this equation.
_CH4 + _O2 --> _CO2 + _H2O
a)
1,2,1,1
b)
2,1,2,1
c)
1,2,1,2
d)
0,2,0,2
6.

PCl5 + ___ H2O → ___ HCl + H3PO4

a)

4, 5

b)

1, 6

c)

3, 8

d)

2,2

7.

__ Al + __ FeO → Al2O2 + __ Fe

a)

1, 1, 2

b)

2,1,2

c)

2, 2, 2

d)

2,4,2

8.
 Mg  +  ___ HCl  →   MgCl2  +   H2
a)
1
b)
2
c)
3
d)
4
9.
Balance this equation.
_SnO2 +_H2-->_Sn +_H2O
a)
1,1,2,1
b)
1,2,1,1
c)
1,2,1,2
d)
1,2,2,1
10.
Balance this equation.
_CF4 + _Br2 -- _CBr4 + _F2
a)
2,1,2,1
b)
1,2,2,1
c)
1,2,1,2
d)
2,2,2,2
11.
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
a)
1.16%
b)
116%
c)
85%
d)
76%
12.
In a lab, a scientist calculate he should produce 12.3 grams of product in his experiment. When he is finished collecting his product it weighs 10.1 grams. What is his percent yield?
a)
82%
b)
0.82%
c)
10.1 %
d)
100%
13.
In a lab, a scientist calculate he should produce 12.3 grams of product in his experiment. When he is finished collecting his product it weighs 10.1 grams. What is his percent yield?
a)
82%
b)
0.82%
c)
10.1 %
d)
100%
14.

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of starwberry jelly to make a sandwich. If you have 10 pieces of bread, 4 tablespoons of peanut butter and 15 tablespoons of jelly, what is the limiting reactant?

a)

bread

b)

strawberry jelly

c)

peanut butter

15.
7. The amount of product that actually forms when a chemical reaction is carried out in a laboratory is called the _________ yield.
a)
actual
b)
theoretical
c)
percent
16.
6. What is theoretical yield?
a)
the maximum amount of product that could be formed from a given amount of reactant.
b)
the amount of product that actually forms when a chemical reaction is carried out in a laboratory.
c)
the efficiency of a particular chemical reaction within the respective conditions.
d)
the reactant that is used up first in a reaction.
17.

What is a limiting reactant?

a)

The reactant that determines how much product can be made

b)

The reactant that is in excess

c)

The product that you can make the most of

d)

The amount of reactants that react with each other

18.

This is what you call a reactant that you have enough of. The one that DOES NOT run out.

a)

Limiting Reactant

b)

Excess Reactant

c)

Highly Reactant

d)

Super Reactant

19.

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

a)

theoretical yield

b)

limiting reactant

c)

actual yield

d)

percentage yield

e)

excess reactant

20.

What type of source do you need in a nuclear plant?

a)

Wind

b)

Water

c)

Uraium

d)

Petroleum

21.

What type of source do you need in hydropower plants?

a)

Wind

b)

Sunlight

c)

Water

d)

Petroleum

22.

What type of source do you need in a thermal power plant?

a)

Coal

b)

Sunlight

c)

Uraium

d)

Petroleum

23.

Which form of energy uses water moving through a dam?

a)

Geothermal

b)

Nuclear

c)

Solar

d)

Hydropower

24.

Energy that uses heat from within the earth is ____.

a)

Nuclear

b)

Geothermal

c)

Wind

d)

Solar

25.

What is one advantage of using hydroelectricity as an energy source?

a)

Heat is captures under the earth

b)

It might change the migration patterns of salmon

c)

Reservoirs can be used to irrigate crops

d)

It doesn't need motion to turn turbines.

26.

Why is it helpful to use natural gas even though it's nonrenewable?

a)

there is a limited supply

b)

it releases less pollution than any other fossil fuel

c)

It takes a while to make

d)

We have an endless supply

27.

What is a disadvantage of using coal as an energy source?

a)

There is lots of it everywhere

b)

It releases radiation as a byproduct

c)

It is inexpensive

d)

Mining can damage the environment

28.

What is a disadvantage of using nuclear power?

a)

It releases radiation as a byproduct

b)

It produces a lot of energy really fast

c)

It needs motion to turn turbines

d)

It is dependent on weather

29.

Which two energy sources require open space?

a)

Biomass and natural gas

b)

Wind and Hydropower

c)

Wind and Solar power

d)

Solar power and Nuclear power

30.

Which energy source uses agricultural and forest byproducts?

a)

Biomass

b)

Wind

c)

Solar

d)

Coal

31.

Biomass is created from ______.

a)

Plants, animal waste, and garbage

b)

Splitting atoms

c)

The energy rays of the sun

d)

Moving turbines

32.

Which energy source depends on the weather?

a)

Hydropower

b)

Solar

c)

Wind

d)

Geothermal

33.

Which energy source uses turbines that spin in open air?

a)

Nuclear

b)

Hydropower

c)

Wind

d)

Geothermal

34.

Which fossil fuel produces the least amount of carbon dioxide when burned?

a)

Coal

b)

Oil

c)

Nuclear

d)

Natural Gas

35.

Which of these is NOT a fossil fuel?

a)

Natural gas

b)

Nuclear

c)

Oil

d)

Coal

36.

What do geothermal and solar energy have in common?

a)

Both rely on the movement of turbines

b)

Neither is expensive

c)

Neither produces greenhouse gases

d)

Sunlight is needed for both

37.

Why is oil nonrenewable?

a)

Because we will never run out

b)

Because it gives us more energy than we need

c)

Because we don't have the material to make it anymore

d)

Because we use it faster than we can replace it

38.

Which of the following is an example of biomass?

a)

Moving water

b)

Food crops

c)

Coal

d)

Uranium

39.

All of the following types of energy are renewable except _____.

a)

Nuclear

b)

Solar

c)

Hydroelectric

d)

Geothermal

40.

All of the following types of energy are renewable except _____.

a)

Nuclear

b)

Solar

c)

Hydroelectric

d)

Geothermal

41.

What is a disadvantage of using biomass for energy?

a)

We don't have enough

b)

It takes too long to make

c)

Burning matter releases some greenhouse gases

d)

It does not give us much energy

42.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

43.

a natural non renewable fuel such as coal, oil, or natural gas formed over a very long time in the geological past from the remains of living organisms

a)

fossil fuel

b)

hydropower

c)

geothermal

d)

wind

44.

a flammable, yellow to black liquid composed of hydrocarbons occurring naturally beneath Earth's surface

a)

petroleum (oil)

b)

wind

c)

geothermal

d)

biomass

45.

an energy resource that takes millions of years to form from the remains of plants and animals, such a coal, oil, and natural gas

a)

nonrenewable

b)

renewable

46.

a hard, black, solid fuel formed from the remains of plants over millions of years and extracted from the ground

a)

coal

b)

petroleum

c)

natural gas

d)

biomass

47.

ENERGY is the ability to cause change

a)

true

b)

false

48.

an energy resource such as trees or wind that is replaceable by natural means

a)

renewable

b)

nonrenewable

49.

the sun's energy is collected and converted to useable energy

a)

nuclear

b)

biomass

c)

natural gas

d)

solar

50.

the splitting of uranium atoms to release energy.

a)

geothermal

b)

wind

c)

nuclear

d)

natural gas

51.

turbines harness the movement of air and convert it to useable energy

a)

wind

b)

biomass

c)

natural gas

d)

hydropower

52.

disposal site for solid waste

a)

landfill

b)

side of the highway

c)

the street

d)

your backyard

53.

efforts to wisely use, distribute, and protect valuable resources such as fresh water, soil, unique environments

a)

conservation

b)

landfill

c)

greenhouse gases

d)

biomass

54.

gases in an atmosphere that absorb and retain heat energy. High amounts cause air pollution and overheat the planet

a)

greenhouse gases

b)

conservation

c)

landfill

d)

recycling

55.

biological material such as plant material or animal waste converted to a usable energy source

a)

biomass

b)

wind

c)

nuclear

d)

hydropower

56.

Fill in the blank- REDUCE, REUSE,____________

a)

clean your room

b)

turn in your homework

c)

study for your test

d)

Recycle

57.
Fossil fuels are nonrenewable  resources because they
a)
take millions of years to form
b)
are easily replaced
c)
are in high demand
d)
don't pollute the air
58.
The source of energy that comes from the intense heat beneath Earth's surface is
a)
nuclear fusion
b)
geothermal energy
c)
solar energy
d)
chemical energy
59.
All of the following store chemical energy except
a)
match
b)
battery
c)
fossil fuels
d)
electricity
60.
All of the following are renewable except
a)
uranium
b)
solar
c)
hydropower
d)
food crops (biomass)
61.
According to the graph, what sector is the greatest user of energy?
a)
industry
b)
commercial
c)
transportation
d)
residential
62.

One danger of nuclear power plants is that

a)

atomic bombs are not dangerous

b)

the waste material is radioactive

c)

water creates pollution

d)

atoms are difficult to find

63.
An example of a biofuel is
a)
gasoline
b)
oil
c)
animal waste
d)
minerals
64.
Which of the following recommendations could a community make to its citizens that would do the most to conserve energy resources?
a)
Carpool, bicycle, or walk whenever possible
b)
Keep lighting turned on when they are not in use
c)
Drivers and all passengers should wear seatbelts
d)
Recycle papers and plastics whenever possible
65.

What are fossil fuels?

a)

coal, oil, uranium

b)

oil, natural gas, uranium

c)

coal, oil, natural gas

d)

geothemals, coal, natural gas

66.

What type of power plant uses scraps from farming, waste products and wind to generate electricity?

a)

Hydroelectric Power Plant

b)

Geothermal Power Plant

c)

Biomass Power Plant

d)

Nuclear Power Plant

67.

Which of the following process is used in a turbine?

a)

Converting fuel into heat

b)

Converting thermal energy in steam to mechanical energy

c)

Electromagnetic induction

d)

Converting electrical energy into mechanical energy

68.
Are located in hilly areas where dams can be built and large water reservoir can be obtained.
a)
Hydroelectric power station
b)
Nuclear power station
c)
Gas turbine power station
d)
Steam power station 
69.

Renewable resources ...

a)

are not replaceable

b)

are used more frequently than non renewables

c)

are never going to run out

d)

going to run out

70.

What's the most powerful source of energy?

a)

Wind Energy

b)

Solar Energy

c)

Hydroeletric Energy

d)

Nuclear Energy

71.

What does renewable mean?

a)

It is a resource that is produced by the Earth.

b)

It is a resource that is replaced at the same

rate that it's being used.

c)

It is a resource that is formed at a rate that is much slower than the rate at which it's being used.

d)

It is a resource that is made by humans.

72.

Why is the Sun considered the ultimate energy source?

a)

The Sun is the center of our solar system.

b)

The Sun is limited in the amount of energy released daily.

c)

The Sun rises and sets each day as seen from Earth.

d)

The sun provides energy for the water cycle and plants.

73.

Why is it beneficial to recycle paper?

a)

There is plenty of land for landfills

b)

Recycling produces toxic chemicals

c)

Making paper uses energy and natural resources

d)

Recycling is a waste of time

74.

Why is it helpful to use natural gas even though it's nonrenewable?

a)

there is a limited supply

b)

it releases less pollution than any other fossil fuel

c)

It takes a while to make

d)

We have an endless supply

75.

What is one advantage of using hydroelectricity as an energy source?

a)

Heat is captures under the earth

b)

It might change the migration patterns of salmon

c)

Reservoirs can be used to irrigate crops

d)

It doesn't need motion to turn turbines.

76.

Why is oil nonrenewable?

a)

Because we will never run out

b)

Because it gives us more energy than we need

c)

Because we don't have the material to make it anymore

d)

Because we use it faster than we can replace it

77.

What is/are the advantages of using nuclear power?

a)

A small amount of fuel can give a large amount of energy.

b)

Generating electricity by nuclear power gives off no air pollutants.

c)

Generating electricity by nuclear power does not produces radioactive nuclear waste.

d)

Cheaper to install the plant

78.

1. The type of cleaning products which many of the ingredients can be manufactured from plants.

a)

A. astringents

b)

B. bleaches

c)

C. detergent products

d)

D. diswashing liquid

Similar Resources on Wayground

Osn ipa

75 questions

Osn ipa

quiz

Worksheet

•

1st - 5th Grade

grade 1 science 4th quarter

82 questions

grade 1 science 4th quarter

quiz

Worksheet

•

1st Grade

Energi Panas

76 questions

Energi Panas

quiz

Worksheet

•

1st - 5th Grade

Virus, hongos y parasitos

75 questions

Virus, hongos y parasitos

quiz

Worksheet

•

1st Grade

PENGETAHUAN UMUM

76 questions

PENGETAHUAN UMUM

quiz

Worksheet

•

1st Grade

KHOA HỌC 4B- 1

79 questions

KHOA HỌC 4B- 1

quiz

Worksheet

•

1st - 5th Grade

Praxis II 5005

82 questions

Praxis II 5005

quiz

Worksheet

•

KG - 12th Grade

Climate and Weather 4 Spheres Mr Davies

78 questions

Climate and Weather 4 Spheres Mr Davies

quiz

Worksheet

•

1st - 4th Grade