Describing matter

Question 1

If you are describing methane as a gas that easily catches fire, you are describing a

Accepted Answer

chemical property

Question 2

which of the following is NOT an example of a chemical change

Accepted Answer

dissolving sugar

Question 3

Table salt is an example of a

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substance

Question 4

All elements are composed of extremely small particles called

Accepted Answer

atoms

Question 5

Which of the following is NOT an example of a physical change

Accepted Answer

gasoline burning

Question 6

Which of the following is NOT a pure substance

Accepted Answer

chocolate chip cookies

Question 7

Substances that CANNOT be broken down chemically into other substances are

Accepted Answer

elements

Question 8

If you heat a liquid and measure the temperature at which it boils, you are measuring a(n)

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physical property

Question 9

A mixture of iron and sulfur can be separated by

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magnetic attraction

Question 10

What is conventionally considered the smallest possible piece of matter?

Accepted Answer

atom

Question 11

Which property can only be observed if the substance changes into a different (new) substance?

Accepted Answer

chemical

Question 12

Lemonade is made from several substances not chemically bonded, therefore lemonade is a(n)

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mixture

Question 13

The ratio of hydrogen atoms to sulfur atoms in sulfuric acid, H2SO4 is

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2 to 1

Question 14

The physical property that makes metal pots good for cooking

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heat conductivity

Question 15

Soil, a salad and sugar water are all examples of

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mixtures

Question 16

One example of a physical change is

Accepted Answer

dissolving salt in water

Question 17

Which of the following is NOT true about a pool of water and a piece of ice?

Accepted Answer

|They have different chemical properties

Question 18

The study of matter and how it changes is called

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chemistry

Question 19

Solids, liquids, and gases are the three

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states of matter

Question 20

Anything that has mass and takes up space is called

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matter

Question 21

Compounds are formed as a result of

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chemical combination

Question 22

The basic particle from which all elements are made is

Accepted Answer

an atom

Question 23

Table sugar and table salt are examples of

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pure substances

Question 24

One example of a chemical change is

Accepted Answer

burning wood

Question 25

Which of the following is an example of a homogeneous mixture

Accepted Answer

chocolate milk

Describing matter

Questions 25

Describing matter

Questions 25