chemistry quiz #1 (p-2)

Question 1

What does HHPS stand for?

Answer 1

Hazardous Household Product Symbol

Question 2

Name the HHPS

Answer 2

Explosive, Corrosive, Flammable, Poison, Caution, Danger

Question 3

What does the octagon frame in HHPS mean?

Answer 3

This means that the contents of the container are dangerous.

Question 4

What does the triangle frame in HHPS mean?

Answer 4

It means that the container is dangerous.

Question 5

Define the EXPLOSIVE symbol

Answer 5

The container can explode if heated or punctured. Flying pieces of metal and plastic can cause serious injuries.

Question 6

Define the CORROSIVE symbol

Answer 6

The product can burn your eyes or skin. If swallowed, it will burn your throat and stomach.

Question 7

Define the FLAMMABLE symbol

Answer 7

The product or its fumes will catch fire easily if it’s near heat, flames, or sparks. Rags used with the product may start to burn on their own.

Question 8

Define the POISON symbol

Answer 8

If swallowed, licked, or breathed in the chemical, you could become very sick or die.

Question 9

Define the CAUTION symbol

Answer 9

It means temporary injuries may be frequent. Death may occur with extreme exposure.

Question 10

Define the DANGER and EXTREME DANGER symbol

Answer 10

Danger: may cause permanent injury or death
Extreme Danger: exposure to very low quantities will cause death, temporary, or permanent injury.

Question 11

What HHPS symbols may be present on PRIMER?

Answer 11

Explosive, Poison, and Flammable

Question 12

Name the WHMIS

Answer 12

Exploding Bomb, Flame, Flame Over Circle, Gas Cylinder, Corrosion, Skull and Crossbones, Health Hazard, Exclamation Mark, Environment, Biohazardous (10)

Question 13

What HHPS symbol is present on LIQUID-PLUMR?

Answer 13

Corrosive

Question 14

What does WHMIS stand for?

Answer 14

Workplace Hazardous Material Informational Symbol

Question 15

Define FLAME in WHMIS

Answer 15

Solids, liquids, and gases can catch fire in the presence of spark or open flames under working conditions.

Question 15

Define EXPLODING BOMB in WHMIS

Answer 15

The substance can self-react when exposed to physical shock, increased pressure or temperature, or water.

Question 16

Define FLAME OVER CIRCLE in WHMIS

Answer 16

These materials increase the risk of fire if in contact with FLAMMABLE materials. The high oxygen content present in these products feeds fires making them worse.

Question 17

Define GAS CYLINDER in WHMIS

Answer 17

These gases under pressure can explode if their containers are heated or punctured.

Question 18

Define CORROSION in WHMIS

Answer 18

It can burn through metals and cause injuries or burns to skin and eyes.

Question 19

Define SKULL and CROSSBONES in WHMIS

Answer 19

It can cause death or toxicity with short exposure to small amounts.

Question 20

Define HEALTH HAZARD in WHMIS

Answer 20

It can cause serious health effects.

Question 21

Define EXCLAMATION MARK in WHMIS

Answer 21

It can cause less serious health effects or damage to the ozone layer.

Question 22

Define ENVIRONMENTAL in WHMIS

Answer 22

It can cause damage to the aquatic environment.

Question 23

Define BIOHAZARDOUS in WHMIS

Answer 23

It means organisms or toxins can cause diseases in humans or animals.

Question 24

Give an example of EXPLODING BOMB

Answer 24

Sodium metals, hydrogen cyanide, nitroglycerin, benzoyl peroxide

Question 25

Give an example of FLAME

Answer 25

Acetone, paint thinner, isopropyl alcohol

Question 26

Give an example of GAS CYLINDER

Answer 26

Butane, propane, natural gas, acetylene, fire extinguishers

Question 27

Give an example of FLAME OVER CIRCLE

Answer 27

Hydrogen peroxide, nitrates, chlorates

Question 28

Give an example of CORROSION

Answer 28

Sodium hydroxide, acids

Question 29

Give an example of SKULL AND CROSSBONES

Answer 29

Arsenic, methylene chloride, formaldehyde, herbicides, pesticides

Question 30

Give an example of HEALTH HAZARD

Answer 30

Carcinogenic, asbestos, tobacco

Question 31

Give an example of EXCLAMATION MARK

Answer 31

Chlorofluorocarbons, car exhaust

Question 32

Give an example of ENVIRONMENTAL

Answer 32

Heavy metals, industrial chemicals

Question 33

Give an example of BIOHAZARDOUS

Answer 33

HIV, ebola, influenza viruses, hepatitis

Question 34

What is the difference between chemical and physical properties?

Answer 34

Physical property is when a material can be measured without changing the identity of a material. A chemical property is when a material becomes evident during a chemical change.

Question 35

Describe the chemical and physical properties of common household substances.

Answer 35

Water H2O:- Physical properties: clear, liquid, freezes at 0°C, boils at 100°C Chemical properties: Reacts with certain chemicals, can be split into oxygen and hydrogen Salt NaCl:- Physical properties: White, crystalline solid, soluble, melts at 801°C Chemical properties: Dissolves in water, reacts with strong acids

Question 36

Identify the following substances: colourless, liquid, pungent smell, boils at 118°C, weak acid, reacts with bases and metals

Answer 36

Vinegar

Question 37

Identify the following substance: White crystalline powder, soluble, reacts with acids, decomposes when heated

Answer 37

Baking Soda

Question 38

Explain the difference between chemical and physical change

Answer 38

Chemical change results in the formation of a new substance with different properties. Physical change results in change of the appearance of matter.

Question 39

Give an example of physical change

Answer 39

Slicing an apple in half, ice cream melting

Question 40

Give an example of chemical change

Answer 40

Candle burning, boiling eggs, baking a cake

Question 41

Explain the indicators of chemical change

Answer 41

Odor changing, color changing, and temperature changing, are some indicators of chemical change.

Question 42

Explain what matter is

Answer 42

Anything that takes up space and has mass is matter.

Question 43

Give examples and non-examples of matter

Answer 43

Chair, paper, and wood are examples of matter. Time, gravity, and sound are non-examples of matter.

Question 44

Explain the characteristics and differences of pure substances and mixtures

Answer 44

A pure substance is made of only one type of particle, a mixture is made up of two or more particles that are not chemically linked. A pure substance can be classified into a compound or element. A mixture can be classified into a mechanical mixture or solution.

Question 45

Classify the substance: Pacific Ocean

Answer 45

Heterogeneous mixture OR mechanical mixture

Question 46

Classify the substance: Baking soda

Answer 46

Pure substance ---> compound

Question 47

Classify the substance: Limestone

Answer 47

Pure substance ---> compound

Question 48

Classify the substance: Aluminium

Answer 48

Pure substance ---> element

Question 49

Classify the substance: Brass

Answer 49

Homogeneous mixture OR solution

Question 50

Explain traditional first nations knowledge on matter including medicines

Answer 50

First nations use medicine wheels which is a circle that includes the four physical properties of the world to understand the world from a physical aspect. The four physical properties are fire, water, wind, and rock.