Science 10: Chemistry Chapter 1 Review

Question 1

Which row indicates the greatest degree of hazard?

Accepted Answer

1

Question 2

Which philosopher believed that matter was made up of indivisible particles called "atomos"

Accepted Answer

Democritus

Question 3

Plum pudding model of the atom. Belief that positively charged atom had electrons embedded throughout.

Accepted Answer

Thomson

Question 4

Annealing was a technique used with copper to make it....

Accepted Answer

stronger

Question 5

Which of the following is a physical property?

Accepted Answer

Melting point

Question 6

Which of the following is an example of a chemical change

Accepted Answer

Iron will oxidize in the presence of oxygen

Question 7

What does WHMIS stand for?

Accepted Answer

Workplace Hazardous Materials Information System

Question 8

MSDS identifies chemical and physical hazards of substances. It also includes first aid information.

Accepted Answer

True

Question 9

Which philosopher believed that matter was composed of the four elements - fire, earth, wind, and water?

Accepted Answer

Aristotle

Question 10

His gold foil experiment proved that the atom had a small positively charged core.

Accepted Answer

Rutherford

Question 11

Material Safety Data Sheets (MSDS) can be found in your school.

Accepted Answer

True

Question 12

Which of the following is a chemical property?

Accepted Answer

None of the above.

Question 13

Safety is an essential part of any chemistry experiment.

Accepted Answer

True

Question 14

Food chemistry involves physical or chemical changes. Which choice is NOT a physical change?

Accepted Answer

Fermenting

Question 15

The particles of a pure substances are identical. Two Types of Pure Substances Are:

Accepted Answer

Compounds & Elements

Questions 15