Soaps and Detergents – Formation and Differences

Assessment

Soaps and Detergents – Formation and Differences

ninja coder

Chemistry

Grade10

10 Plays

100 Participants

Worksheet

10 Qs

1.
Multiple Choice
1 pts•30 s
Choose the substance that is biodegradable among the following.
Answer choices
Soap
Detergent
Plastic
Glass
2.
Multiple Choice
1 pts•30 s
Select the main ingredient used in the preparation of soap.
Answer choices
Petroleum
Vegetable oil or animal fat
Chlorine
Alcohol
3.
Multiple Choice
1 pts•30 s
Identify the product formed when soap is used in hard water.
Answer choices
Lather
Scum
Foam
Bubbles
4.
Multiple Choice
1 pts•30 s
Choose the correct method of soap preparation.
Answer choices
Fermentation
Saponification
Oxidation
Polymerization
5.
Multiple Choice
1 pts•30 s
Select the molecule responsible for cleansing action of soap.
Answer choices
Only hydrophilic end
Only hydrophobic end
Both hydrophobic and hydrophilic ends
Only polar end
6.
Multiple Choice
1 pts•30 s
Pick the correct reason why detergents are better than soaps in hard water.
Answer choices
They produce more foam
They are biodegradable
They do not form scum
They are cheaper
7.
Multiple Choice
1 pts•30 s
Identify the correct structural feature of a detergent molecule.
Answer choices
Long chain hydrocarbon with a carboxylate group
Long chain hydrocarbon with a sulfate/sulfonate group
Short chain alcohol
Glycerol backbone
8.
Multiple Choice
1 pts•30 s
Choose the term that refers to the action of soap molecules trapping dirt and oil.
Answer choices
Micelle formation
Coagulation
Neutralization
Ionization
9.
Multiple Choice
1 pts•30 s
Select the factor that differentiates soap and detergent effectiveness in acidic water.
Answer choices
Soap is more effective
Detergent is more effective
Both are equally effective
Neither is effective
10.
Multiple Choice
1 pts•30 s
Pick the correct reason why excessive use of detergents can harm aquatic life.
Answer choices
They increase oxygen levels
They reduce water hardness
They decrease oxygen availability in water
They kill bacteria only