Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

2nd Quarter > Consumer Chemistry > Flashcards

Consumer Chemistry Flashcards

1
Q

Which functional group is used in soap production?

A

Carboxylic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How is dirt on a cloth cleaned by detergent?
on the surface of the cloth.
A. Hydrophilic ends repel the dirt
B. Hydrophobic ends soften the dirt particles
C. Hydrophilic ends dissolve the dirt particles
D. Hydrophobic ends of the soap particles
attach to the dirt

A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which is NOT a factor affecting microbial growth?
A.pH
B. Moisture Content
C. Temperature
D.Nitrogen Gas

A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which type of colloid is smoke an example
of?
A. Aerosol
B. Emulsion
C. solution
D. suspension

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which is NOT TRUE about detergents?
A. Are non-biodegradable
B. Made from natural sources
C. Clean both in soft and hard water
D. Have more cleaning power than soap

A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the advantage of soap over detergent?

A

biodegradable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which is NOT a soap?
A. Sodium oleate
B. Sodium palmitate
C. Sodium carbonate
D. Sodium stearate

A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the classification of the mixture if the
particle sizes of the components are less than 1
nm?
A. colloid
B. Solution
C. Suspension
D. Heterogeneous mixture

A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the 3 factors affecting solubility of a solution

A

Heating
Stirring
Increasing surface area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which is the composition of the head of a soap
molecule?
A Carboxylate
B. Hydroxyl
C. Nitrate
D. Sulphate

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is this food preservation technique that
involves cooking food and sealing it in sterile jars?
A. Canning
B. Pickling
C. Smoking
D.Sugaring

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which is NOT a description of a detergent?
A. sodium salts of long chain alkyl hydrogen
sulphate
B. sodium salts of long chain benzene sulphonic acid
C. consists of a large hydrocarbon group that is
non-ionic and a sulphate
D. has a long hydrocarbon end and a short ionic end containing COONa+.

A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The head of a detergent molecule is composed
A. carbonate
C. phosphate
B. manganate
D. sulphate

A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is this process of food preservation where it involves heating up to 70°C for about 25 seconds?
A. Freezing
B. Fermentation
C. Pasteurization
D.Vacuum-packing

A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which functional group does sugar belong to?

A

ketone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Why does detergent clean better than soap?
A. Soap is not suitable in basic water.
B. Detergent has stronger cleaning action both
in basic and acidic water.
C. Detergent, even with small amount,
dissolves dirt particles readily.
D. Soap is primarily a surfactant which lowers
the

A

B

17
Q

Which statement is TRUE as to why soap has cleansing action?

A. Both carboxylate end and hydrocarbon portion are hydrophilic

B. Both carboxylate end and hydrocarbon portion are hydrophobic

C. The hydrocarbon end is hydrophilic while the carboxylate end is hydrophobic.

D. The carboxylate end is hydrophilic while the hydrocarbon portion is hydrophobic.

A

D

18
Q

Why is paint considered as sol? Because its
dispersion medium is _____ while its
dispersed medium is ________.

A

liquid ; solid

19
Q

Which composes the micelle?
A Head of soap and dirt
B. Tail of soap and dirt
C. Head of detergent and grease
D. Tail of detergent, grease and water

A

B

20
Q

Mr. Castro bought soda float, gel, milk, and
ink from a nearby convenience store. Which
product/s is/are foam?
A. gel
C. milk and gel
B. soda float
D. ink and milk

A

B

21
Q

Why is there a need for a liquid in a container
to be shaken well before use? Because the
mixture is a?

A

Suspension

22
Q

What functional group/s need/s a locant on the parent chain

A

Alcohol and Ketone

23
Q

Which functional group does NOT contain a carboxyl group?

A

Carboxylic acid

24
Q

Which of the following is NOT a traditional type of food preservation?
A. Drying
B. Irradiation
C. Salting
D.Sugaring

A

B

25
Q

What is the type of colloid where both the
dispersed substance and the dispersing medium are liquids?

A

Emulsion

26
Q

What is the primary objective of food preservation?
A. To make food delicious
B. To slow-down growth of microorganism
C. To increase the nutritional value of food

A

B

27
Q

Which is the most common ketone that is an excellent solvent for plastics and synthetic fibers, nail paint remover and paint thinner?

A

acetone

28
Q

Which phenomenon is described when a light
beam is scattered through a colloid?

A

Tyndall effect

2nd Quarter (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions