Chemical Method

Question 1

Involves the use of chemical agents to kill unwanted microorganisms such as fungi, bacteria and viruses, and other disease-causing agents

Answer 1

Chemical Method

Question 2

Also known as surfactants, are compounds that can significantly reduce the surface tension or interfacial tension between two liquids, liquid-gas or liquid-solid interfaces

Answer 2

Surface Active Agents

Question 3

The positive charge makes them useful in anti-static products, like fabric softeners.

Answer 3

Cationic agents

Question 4

Can also serve as antimicrobial agents, so they are often used in disinfectants. Effective at alkaline pH

Answer 4

Cationic agents

Question 5

Are used frequently in soaps and detergents

Answer 5

Anionic agents

Question 6

Also known as surfactants, are compounds that can significantly reduce the surface tension or interfacial tension between two liquids, liquid-gas or liquid-solid interfaces

Answer 6

Surface Active Agents

Question 7

Can also serve as antimicrobial agents, so they are often used in disinfectants. Effective at alkaline pH

Answer 7

Cationic agents

Question 8

The positive charge makes them useful in anti-static products, like fabric softeners.

Answer 8

Cationic agents

Question 9

Are used frequently in soaps and detergents

Answer 9

Anionic agents

Question 10

Acts by disrupting cell membranes as well as causing precipitation of proteins and inactivation of enzymes

Answer 10

Phenolic Compound

Question 11

Is no longer used as disinfectants/antiseptic, it’s toxic to human cells

Answer 11

Phenol

Question 12

Is a substance we all interact with in our lifetimes. From drinks, to cleaning products, to nail polish remover, alcohol is around us in many different forms

Answer 12

Alcohol

Question 13

Has been widely used in human medicine as an antimicrobial preservative, but it has also found use as an antiseptic and local anesthetic

Answer 13

Benzyl alcohol

Question 14

Create a lot of foam when mixed. Effective at acidic pH

Answer 14

Anionic agents

Question 15

Are phenol derivatives more potent and safer (ex. Lysol)

Answer 15

Cresol

Question 16

Bactericidal and remove lipid from the skin surface

Answer 16

Ethyl alcohol

Question 17

Has greater bactericidal activity and less volatile but exerts greater toxic effects

Answer 17

Isopropyl alcohol