Physical & Chemical Properties of Matter

Question 1

Which is a characteristic of compounds?

Accepted Answer

Compounds are made up of at least two types of matter.

Question 2

Does the following represent a chemical or physical change?

Accepted Answer

Chemical

Question 3

Why is the below picture an example of a physical change?

Accepted Answer

The materials making up the pencil did not change.

Question 4

Does the following represent a chemical or physical change?

Accepted Answer

Physical

Question 5

How would you separate oil and water?

Accepted Answer

Separating funnel

Question 6

What could you use the apparatus in the picture to separate?

Accepted Answer

Sand and water

Question 7

Identify what’s happening in the picture below as a chemical or physical change.

Accepted Answer

Physical

Question 8

Which one of these is a compound?

Accepted Answer

Water

Question 9

Where on the Periodic Table are the metalloids found?

Accepted Answer

between the metals and nonmetals

Question 10

Which process is occurring in this picture?

Accepted Answer

Distillation

Question 11

What are the physical properties used to classify metals, nonmetals, and metalloids?

Accepted Answer

luster, conductivity, and malleability

Question 12

Properties that describe how a substance reacts with other substances are called?

Accepted Answer

Chemical properties

Question 13

Does the following represent a chemical or physical change?

Accepted Answer

Chemical

Question 14

Based upon the properties in the image, what can you conclude about each group?

Accepted Answer

A - nonmetals, B - metalloids, C - metals

Question 15

Sulfur (S) is a nonmetal. Based on this, what do you know about Sulfur?

Accepted Answer

It is a poor conductor of electricity.

Question 16

What is the process used to produce the image in the picture?

Accepted Answer

Chromatography

Question 17

If I wanted to grow large copper sulfate crystals, which is the best method?

Accepted Answer

Evaporate the water slowly from a copper sulfate solution

Question 18

Which word describes a soda?

Accepted Answer

Mixture

Question 19

You have a mixture of flour and rice. How could you separate this mixture?

Accepted Answer

Sieve/Sifting

Question 20

Identify what’s happening in the picture below as a chemical or physical change.

Accepted Answer

Chemical

Question 21

Is NaCl an element or a compound?

Accepted Answer

compound

Question 22

A baby gaining weight is an example of a _________ change.

Accepted Answer

Physical

Question 23

Drying wet hair is an example of a _________ change.

Accepted Answer

Physical

Question 24

Look at the image, what is the substance in the funnel called?

Accepted Answer

Residue

Question 25

What would be a good element to make an electrical wire out of?

Accepted Answer

Copper because it is a metal and conducts electricity well.

Question 26

A statue damaged by acid rain is a chemical change.

Accepted Answer

True

Question 27

Which of these is not a physical property used to classify metals, nonmetals, & metalloids?

Accepted Answer

texture

Question 28

What does a chemical change result in?

Accepted Answer

A change in the way atoms are bonded to each other.

Question 29

A student is trying to determine if an element is a metal or nonmetal. What should she do?

Accepted Answer

Measure the element's conductivity

Question 30

Does the following represent a chemical or physical change?

Accepted Answer

Physical

Question 31

Which of the following would you use this apparatus to separate?

Accepted Answer

alcohol and water

Question 32

Which element would be an insulator

Accepted Answer

sulfur

Question 33

What would be the best way to determine an element's luster?

Accepted Answer

shine light on it

Question 34

When iron is exposed to water vapor and air, it rusts. This is an example of a ________ change.

Accepted Answer

Chemical

Question 35

How does filtration work?

Accepted Answer

Holes in the paper only allow the smaller particles through.

Question 36

Which type of change is most often easily reversed?

Accepted Answer

Physical

Question 37

What type of change is happening in the image below?

Accepted Answer

Both

Question 38

In a sea water solution, what is the water called?

Accepted Answer

Solvent

Question 39

Out of these substances, how many are elements? NaOH, N2, H2, Cu, H2O

Accepted Answer

3

Question 40

Which of the following is an example of a physical change?

Accepted Answer

A glass falling and shattering on the floor

Question 41

Properties that describe how a substance looks, feels, state of matter, etc. are?

Accepted Answer

Physical properties

Question 42

In distillation, what is the apparatus called that cools the water vapour back into water?

Accepted Answer

Condenser

Question 43

What type of substance is Potassium (K)?

Accepted Answer

Element

Question 44

Identify what’s happening in the picture below as a chemical or physical change.

Accepted Answer

Physical

Question 45

You are asked to reclaim the salt from sea water. Which process would you use?

Accepted Answer

Evaporation

Question 46

The following are characteristics of carbon dioxide. Which characteristic makes it a compound?

Accepted Answer

made up of two different elements

Physical & Chemical Properties of Matter

Questions 46

Physical & Chemical Properties of Matter

Questions 46