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Outcome A1, and A3 Quiz #1 Review

Last updated about 1 year ago

37 questions

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Question 11

11.

A product's safety label shows that it is flammable and combustible. What two things should you consider when choosing a storage site for this substance?

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Question 12

12.

WHMIS labels are found in science labs. Name two other places WHMIS labels are found.

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Question 17

17.

List the four Household hazard symbols.

Question 18

18.

The household hazard symbols come with three levels of severity. What are the three levels and what shapes does each level have?

Question 19

19.

What is the difference between a pure substance and a mixture. Give two examples of each.

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Question 33

33.

Describe two ways the periodic table is organized.

Question 34

34.

Compare metallic and non-metallic elements by completing this chart. List at least two similarities and two differences.

Question 35

35.

(a.) How many different elements are found in acetaminophen, C9H9NO2(s)?
(b) How many atoms are found in a single particle of acetaminophen? Show your work.

Question 36

36.

Why is it important for scientists everywhere around the world to use standard symbols for the elements?

Question 37

37.

You are given a sample of an unknown element. Describe three tests you would use to determine whether this element is a metal or a non-metal.

Question 1

1.

What does this safety symbol mean?

flammable and combustible

compressed gas

poisonous and infectious

oxidizing

Question 2

2.

What does this safety symbol mean?

poisonous causing long-term effects

poisonous causing immediate effects

biohazardous and infectious

dangerously reactive

Question 3

3.

Which description of particles is correct?

Particles in a solid move apart from each other to assume the shape of a container.

Particles in a gas move more slowly than those in a liquid.

Particles in a solid just barely vibrate.

Particles in a liquid do not move.

Question 4

4.

Material Safety Data Sheets (MSDS) are required for every controlled substance. What information is not found on an MSDS?

manufacturer

first-aid treatment

Hazardous Household Product Symbol

handling instructions

Question 5

5.

Which of the following statements best describes water in the solid state?

Particles of solid water sink in liquid water.

Particles are moving faster than in water vapor.

Particles are loosely packed.

Particles are densely packed.

Question 6

6.

Which of the following statements does not belong in the particle theory of matter?

All matter consists of tiny particles.

The particles in mixtures can be easily separated.

All particles are in motion.

There are spaces between particles.

Question 7

7.

Question 7: What physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar?

Lustre

Size

Cost

State

Question 8

8.

Question 8: Which of the following statements is false?

Adding salt to water will make the boiling temperature increase.

Melting point is a physical property.

Density is a chemical property.

Water exists in three states of matter.

Question 9

9.

Question 9: Which of the following is a pure substance?

gold jewellery

pile of salt and pepper

sugar

crunchy peanut butter

Question 10

10.

Question 10: A science student is about to mix two unlabelled chemicals. Which piece of advice would you offer to this student?

Use caution since chemicals will form a solid.

Do not mix these chemicals. They may react dangerously.

Nothing will happen.

Label the chemicals after mixing.

Question 13

13.

Explain two reasons WHMIS training is important in a wide variety of jobs.

Question 14

14.

If someone with a visual impairment needed to identify a substance, what three properties would help them recognize it?

Question 15

15.

Every substance has a unique set of properties. List two physical properties and two chemical properties of baking soda.

Question 16

16.

Describe the three states of matter and provide an example of each.

Question 20

20.

How is the periodic table organized?

by properties of elements

by relative mass of elements

using both properties and relative mass of elements

in order of discovery of the elements

Question 21

21.

Which of the following properties does not describe a metallic element?

reflects light easily

poor conductor of heat and electricity

easily shaped

probably solid

Question 22

22.

Which of the following statements properly describes the periodic table?

Elements are organized in alphabetical order.

The rows are called groups.

The rows are called periods.

Elements are organized in order of discovery.

Question 23

23.

What does the staircase line on the periodic table separate?

metals from non-metals

metals from other metals

non-metals from other non-metals

elements with similar properties

Question 24

24.

Question 5: A pure substance is made up of only one type of particle. Which of the following items lists pure substances?

(a) elements only

(b) compounds and mixtures

(c) all matter

(d) compounds and elements

Question 25

25.

Question 6: What does a decomposition reaction do?

(a) combines elements to form a new substance

(b) breaks an element into simpler substances

(c) breaks a compound into simpler substances

(d) turns a nickel into gold

Question 26

26.

Question 7: Which statement is true of a chemical formula?

(a) uses subscript numbers to indicate number of compounds in the substance

(b) indicates the chemical properties of the substance

(c) describes the physical properties of the substance

(d) uses subscript numbers to indicate the ratio of elements in a substance

Question 27

27.

Question 8: How many elements are found in monosodium glutamate, which has this formula: NaC5H8NO4(s)?

(a) 5

(b) 17

(c) 19

(d) 4

Question 28

28.

Question 9: How many atoms are found in a single particle of monosodium glutamate, which has this formula: NaC5H8NO4(s)?

(a) 5

(b) 17

(c) 19

(d) 4

Question 29

29.

Which of the following best describes a decomposition reaction?

Chemical energy is used to produce electrical energy.

Electrical energy is used to break a compound apart.

A more complex substance is formed.

Compounds form from elements.

Question 30

30.

What elements can be trapped by decomposing water?

air and water vapor

oxygen and hydrogen

helium and oxygen

hydrogen and osmium

Question 31

31.

Many household products have scientific names. Which of the following pair of common name and scientific name is correct?

baking soda, sodium bicarbonate

baking soda, hydrogen bicarbonate

vinegar, hydrochloric acid

vinegar, sodium chloride

Question 32

32.

Which of the following pair of terms is incorrect?

non - metal, shiny

element symbol, one or two letters

compounds, can be broken into simpler substances

element, cannot be divided easily