Question 1

Which of the following best describes a chemical property?

Accepted Answer

The ability of a substance to react with oxygen

Question 2

A scientist observes that a metal reacts with hydrochloric acid to produce bubbles. Which property is being demonstrated?

Accepted Answer

Chemical property

Question 3

Which state of matter has particles that are far apart and move freely?

Accepted Answer

Gas

Question 4

A student heats a substance and observes it changes from a solid to a liquid. Which property is being observed?

Accepted Answer

Physical property

Question 5

Which of the following is NOT a physical property?

Accepted Answer

Flammability

Question 6

Which state of matter contains electrically charged particles and is found in the Sun?

Accepted Answer

Plasma

Question 7

A substance has a density of $$2.5\ 	ext{g/cm}^3$$ and melts at $$80^\circ	ext{C}. $$These are examples of:

Accepted Answer

Physical properties

Question 8

Which of the following statements best explains why flammability is a chemical property?

Accepted Answer

It describes the ability to undergo a chemical reaction and form new substances

Question 9

Which property would be most useful for identifying a substance without changing it into a new substance?

Accepted Answer

Boiling point

Question 10

A student observes that copper is shiny and conducts electricity. Which type of property is being described?

Accepted Answer

Physical property

Question 11

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

Accepted Answer

Iron rusting when exposed to oxygen and water

Question 12

Which state of matter has a fixed volume but takes the shape of its container?

Accepted Answer

Liquid

Question 13

A scientist records that a substance is not flammable and reacts strongly with acid. Which property is NOT a physical property?

Accepted Answer

Reactivity with acid

Question 14

Which of the following best describes matter?

Accepted Answer

Anything that has mass and takes up space

Question 15

Which property would be classified as chemical for magnesium?

Accepted Answer

Reacts with hydrochloric acid

Question 16

A student says, 'Water is a liquid at room temperature.' This statement describes:

Accepted Answer

A physical property

Question 17

Which of the following is a characteristic of plasma?

Accepted Answer

Particles are electrically charged and have no fixed shape or volume

Question 18

Which property is most likely to change when wood burns?

Accepted Answer

Chemical property

Question 19

A sample of water is heated and changes from liquid to gas. Which property is being demonstrated?

Accepted Answer

Boiling point

Question 20

Which of the following is a physical property that can be used to identify a substance?

Accepted Answer

Solubility in water

Step-by-Step Guidance for Properties of Matter (Intro Chemistry)

스터디 가이드 - 연습 문제