問題一覧
1
What insect can transmit diseases like dengue and Japanese encephalitis?
Mosquitoes
2
These coloring pigments made by combining a dye color with an insoluble substance.
Lakes
3
What chemical is present in human sweat and breath that attracts insects?
1-octen-ol
4
Which of the following are defined as class of inorganic and nonmetallic solids that are subjected to high temperature in manufacture use?
Ceramics
5
What type of thickener is usually solid at room temperature and works by imparting their natural thickness to the formula?
Lipid thickener
6
What is the perfect dye to use in hydrophobic substrate or fabric like polyesters and acetate?
Disperse Dye
7
How did soap-making become widespread in the 18th century?
To advertise campaigns on personal hygiene and health
8
Which of the following is a super cool liquid?
Glass
9
How did soap-making become widespread in the 18th century?
To advertise campaigns on personal hygiene and health
10
Which of the following is a natural repellant extracted from lemon eucalyptus oil?
Citridiol
11
What is the combination of copper and tin?
Bronze
12
What chemical is designated by WHO as a “repellant choice for malaria prevention”?
Picaridin
13
Which of these is an adverse effect of prolonged exposure to harmful cosmetic substances?
Cancer formation
14
Which of the following is NOT a characteristic of a ceramic material?
low hardness
15
Which of the following is NOT a property of dyes?
They build up on the surface of the material.
16
How can you get the best cleaning result during laundering?
Rub the clothes using detergent and nylon mesh or scrubbing pad.
17
What type of surfactant can become positive, negative, or chargeless depending on the pH of the water?
Amphoteric
18
What is the perfect dye to use in denim fabric?
Vat Dye
19
Which of the following forms scum or film when used in hard water?
soap
20
Which of the following elements is not present in stainless steel?
Tungsten
21
Which of the following is NOT a property of dyes?
They build up on the surface of the material.
22
Which type of cosmetic product is prepared by combining three formula components, such as oil phase, aqueous phase and an emulsifier?
Creams
23
How does dye wastewater seriously affect the food chain on rivers and lakes?
It can reflect sunlight causing the decrease of photosynthetic activity of algae.
24
Which of these are anhydrous, extremely thick sticky and greasy products used for dressing hair and cleaning skin?
Ointment
25
What chemical is designated by WHO as a “repellant choice for malaria prevention”?
Picaridin
26
What alkali can be added to make hard soap?
Caustic soda
27
What is a nonmetal alloying element that is used as a deoxidizer in metals?
Silicon
28
Why do we need to consider the level of safeness when we buy cosmetic products?
All of the above
29
Which of these is a suspension type cosmetic?
Shampoo
30
What is the combination of metal with at least one other metal or non-metal?
Micro alloys
31
What insect can transmit diseases like dengue and Japanese encephalitis?
Mosquitoes
32
What substance in consumer products help keep unlike substances from separating?
Emulsifiers
33
Lipstick is categorized under what type of cosmetic product?
sticks
34
Which alloy contains nickel?
Invar
35
What is the use of the hydrophobic end of the chemical composition of soap and detergent?
It attracts greasy and oily stains.
36
How can you get the best cleaning result during laundering?
Rub the clothes using detergent and nylon mesh or scrubbing pad.
37
What chemical is present in human sweat and breath that attracts insects?
1-octen-ol
38
Which of the following metals is known to pollute the air of big cities with a large number of vehicles?
Lead
39
Which of the following alloys is the mixture of copper and zinc?
Brass
40
What is known as activated charcoal?
Activated carbon
41
What is the use of the hydrophobic end of the chemical composition of soap and detergent?
It attracts greasy and oily stains.
42
What type of dye carries a negative charge?
Acid Dye
43
Which of the statements is incorrect?
Decreasing the number of a conjugated system can intensify the color of the dye.
44
These are thick, clear products characterized by a property known as “shear thinning”
Gels
45
Which of these is used in cosmetic product as a preservative?
Formaldehyde
46
Which of these the are an amalgamation of solid raw materials which are ground together to get a fine powder?
Powder
47
What do we need to consider before purchasing cosmetic products?
All of the above
48
Which of the following chemicals is considered a “gold-standard” repellant?
DEET
49
Which of the following is a natural repellant extracted from citronella oil?
Citronellol
50
How can you take good care of the environment when using soap and detergent?
Reuse the laundering water in cleaning the bathroom.
51
Which is effective even with the use of hard water?
detergent
52
Which of the statements is incorrect?
Decreasing the number of a conjugated system can intensify the color of the dye.
53
How do builders work?
They can reduce water hardness to prevent the formation of scum or film.
54
Which one of the following is used as a filter in rubber tires?
Carbon black
55
What can you add during direct dyeing to produce warm colors on fabric?
Sodium bicarbonate
56
Which of the following is NOT an ingredient in soap-making?
hydrocarbon from petroleum
57
Which of the following is NOT an alloy?
Nickel
58
What are the chemicals that change the properties of water by lowering the surface tension?
Surfactants
59
How can you make sure insect repellants become effective upon application?
Read the products’ labels to know its concentration, target insects, effectiveness, and proper usage.
60
How can you take good care of the environment even with the use of soap and detergent?
Reuse the laundering water in cleaning the bathroom.
61
What do you call the mixture of potassium nitrate powdered charcoal and Sulphur?
gun powder
62
What is a metal used to make materials such as aluminum and precipitation- hardenable, which can increase corrosion-resistance in copper but can decrease the corrosion-resistance in aluminum?
Copper
63
What country created the first synthetic detergent?
Germany
64
Which of the following does not contain silver?
German silver
65
Which of the following forms the basis of almost every type of cosmetic product, including creams, lotions, makeup, deodorants, shampoos and conditioners?
Water
66
How can you make sure insect repellants become effective upon application?
Read the products’ labels to know its concentration, target insects, effectiveness, and proper usage.
67
Who were the first people to believe that soap-like material can treat skin diseases?
Egyptian
68
Which of the following is NOT a property of ceramics?
High electrical and thermal conductivity
69
What can you add during direct dyeing to produce cool colors on fabric?
Copper sulfate
70
Which of the following ceramic products is mostly used as pigment in paints?
TiO²
71
Which of the following best describes cosmetics?
Products designed to cleanse, protect and change the appearance of external parts of our bodies.
72
Which one of the following processes shows a chemical reaction of organic compounds in the air or water with the activated carbon which causes the result to the stick to the filter?
Adsorption
73
Why are fragrances used in cosmetics?
All of the above
74
Which of the following is commonly used in deodorants and antiperspirants?
Aluminum
75
Which is biodegradable and has less environmental impact?
soap
76
What is the color-helper group in the chemical structure of a dye?
Auxochrome
77
Which of the following is also known as cold water dye?
Azoic Dye
78
What is the color-bearing group in the chemical structure of a dye?
Chromophore
79
Which of the following is NOT an ingredient in soap-making?
hydrocarbon from petroleum
80
What alkali can be added to make soft soap?
Potassium hydroxide
81
Which one of the following polymeric materials is used for making bullet proof jacket?
KEVLAR
82
What type of dye carries a positive charge?
Basic Dye
83
Which of the following chemicals is considered a “gold-standard” repellant?
DEET
84
How does dye wastewater seriously affect the food chain in a river or lake?
It can reflect sunlight causing the decrease of photosynthetic activity of algae.
85
What is the perfect dye to use in cotton, linen, and rayon?
Sulfur Dye
86
What is the common name of the insect repellant with the chemical name of 2-ethyl-1,3-hexanediol?
Rutgers 612