Quiz about Chemistry Intro

Question 1

The state of matter that takes the shape of its container is....

Accepted Answer

Liquid

Answer

Gas

Answer

Solid

Answer

None of these

Question 2

Signs that a chemical change has occurred include

Accepted Answer

all of the above

Answer

a change in color

Answer

the release of bubbles

Answer

the production of an odor

Question 3

In a liquid, the molecules have a definite shape and a definite volume

Accepted Answer

False

Answer

True

Question 4

What is the symbol for chlorine?

Accepted Answer

Cl

Answer

C

Answer

Ch

Answer

Ce

Question 5

How many atoms of Hydrogen are in this compound

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 6

Which of these elements is a metal?

Accepted Answer

iron

Answer

argon

Answer

carbon

Answer

hydrogen

Question 7

Anything that has mass and takes up space is called

Accepted Answer

matter

Answer

element

Answer

electron

Answer

nucleus

Question 8

What is the chemical symbol for Lithium?

Accepted Answer

Li

Answer

H

Answer

He

Answer

N

Question 9

Elements in a ..................have similar chemical properties.

Accepted Answer

group

Answer

period

Answer

row

Question 10

These are found on the Periodic Table.

Accepted Answer

Elements

Answer

Compounds

Answer

Mixtures

Question 11

Which of the following is an example of a chemical reaction?

Accepted Answer

A marshmallow turning black when heated over a fire

Answer

A powder dissolving in water to make lemonade

Answer

An ice cube melting into a puddle of water

Answer

Salt crystals being crushed into a powder

Question 12

Which is an example of a chemical reaction?

Accepted Answer

cookies baking in an oven

Answer

paper cut into small pieces

Answer

chocolate melting in a pan

Answer

flour and sugar mixed in a bowl

Question 13

Bread is toasted.  How do you know a chemical change happened?

Accepted Answer

The color changed

Answer

The temperature decreased

Answer

It bubbled/fizzed

Answer

A solid formed

Question 14

A change in the shape of an object is an example of _________________.

Accepted Answer

a physical change

Answer

a chemical change

Answer

energy

Answer

an endothermic change

Question 15

In a ___________change, a substance changes into a different substance.

Accepted Answer

Chemical

Answer

Physical

Question 16

The chemical formula for table salt is

Accepted Answer

NaCl

Answer

SiCl

Answer

NaOH

Answer

CaCl

Question 17

Water can dissolve many things so it is called the .....

Accepted Answer

universal solvent

Answer

wonderful water

Answer

cohesion

Answer

liquid

Question 18

Freezing point of water is

Accepted Answer

0 degrees Celcius

Answer

100 degrees Celsius

Answer

0 degrees Fahrenheit

Question 19

What are the particles in a solid like?

Accepted Answer

Close together

Answer

Far apart

Answer

Wiggly and not close together

Answer

They don't have particles.

Question 20

What are the three states of matter?

Accepted Answer

Solid, Liquid, and Gas

Answer

Melting, Freezing, and Particles

Answer

Ice Cube, Rock, and rock

Answer

Three states of matter

Question 21

What causes objects to melt?

Accepted Answer

heat

Answer

cold

Answer

sound

Answer

stirring

Question 22

When will particles in a substance be moving the fastest?

Accepted Answer

when the substance is hot

Answer

when the substance is cold

Answer

when the substance is warm

Question 23

How many elements are in C₆H₁₂O₆?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 24

How many atoms of carbon (C) are in C₆H₁₂O₆?

Accepted Answer

6

Answer

3

Answer

12

Answer

24

Question 25

Is this an element or a compound?

H₂O

Accepted Answer

compound

Answer

element

Question 26

Which is the correct formula for:
one carbon (C)
two oxygen (O)

Accepted Answer

CO2

Answer

CO

Answer

C2O

Answer

2CO

Question 27

A copper penny turning greenish after a few years. Is this an example of a chemical change or a physical change?

Accepted Answer

Chemical Change

Answer

Physical Change

Question 28

A gel ice pack getting cold after you put it in the freezer for an hour. Is this a chemical or a physical change?

Accepted Answer

Physical Change

Answer

Chemical Change

Question 29

I am a colorless, odorless gas produced by burning coal, oil and gasoline. I am found in fire extinguishers and aerosol cans.

Accepted Answer

Carbon Dioxide

Answer

Propane

Answer

Helium

Question 30

A chemical change is different than a physical change because in a chemical change

Accepted Answer

A new substance is formed and in a physical change no new substance is formed

Answer

Chemicals are used

Answer

Molecules do not physically touch

Answer

The change can be seen but in a physical change it cannot

Question 31

Diamonds are a pure form of what element?

Accepted Answer

Carbon

Answer

Oxygen

Answer

Silicon

Answer

Silver

Question 32

CALCIUM

What is it's symbol on the periodic table?

Accepted Answer

Ca

Answer

C

Answer

Cu

Answer

Cl

Question 33

SODIUM

What is it's chemical symbol on the periodic table?

Accepted Answer

Na

Answer

S

Answer

So

Answer

N

Question 34

OXYGEN

What is it's symbol on the periodic table?

Accepted Answer

O

Answer

Ox

Answer

Oy

Answer

Og

Question 35

Living organisms always contain which element?

Accepted Answer

C - carbon

Answer

O - oxygen

Answer

K - potasium

Answer

H - hydrogen

Question 36

When particles collide, energy transfers from _______ moving particles to _______ moving particles.

Accepted Answer

fast, slow

Answer

slow, fast

Question 37

What happens when equal amounts of hot and cold water are mixed together?

Accepted Answer

the final temperature is half of the sum of the starting hot & starting cold temperature

Answer

the temperature doesn't change

Answer

the mixture gets warmer

Answer

the mixture gets colder

Chemistry Intro

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