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📝 Nail Product Chemistry – Practice Quize (25 Questions)
1. Why is it important for a nail tech to understand chemistry?
A. To create new lab products
B. To solve problems, understand products, avoid false advertising
C. To replace professional chemists
D. To use fewer salon products
Answer: B. To solve problems, understand products, avoid false advertising
2. Which statement about chemicals is correct?
A. All chemicals are poisonous
B. No chemical is toxic
C. Not all chemicals are dangerous or toxic
D. Chemicals are only in labs
Answer: C. Not all chemicals are dangerous or toxic
3. What is the main difference between a gas and a vapor?
A. Gas has odor, vapor does not
B. Gas = state of matter; vapor = evaporated liquid
C. Vapor is lighter than gas
D. Gas becomes vapor with heat
Answer: B. Gas = state of matter; vapor = evaporated liquid
4. What is condensation?
A. Polymerization
B. Gas turning to solid
C. Vapor cooling back into liquid
D. Liquid evaporating
Answer: C. Vapor cooling back into liquid
5. Fumes in nail products:
A. Always present in monomers
B. Soot-like particles + vapors from burning
C. Same as vapors
D. Safe to inhale without ventilation
Answer: B. Soot-like particles + vapors from burning
6. Function of an adhesive:
A. Dissolve solvents
B. Make two surfaces stick
C. Remove nail oils
D. Dehydrate nail plate
Answer: B. Make two surfaces stick
7. Acid-based primers:
A. Harmless on skin and eyes
B. Can cause painful burns
C. Do not contain methacrylates
D. Neutral pH
Answer: B. Can cause painful burns
8. Feature of acid-free primers:
A. Contain methacrylate
B. Neutral pH, won’t burn tissues
C. Highly corrosive
D. Used only on artificial nails
Answer: B. Neutral pH, won’t burn tissues
9. A nail dehydrator:
A. Permanently removes moisture
B. Temporarily removes moisture
C. Corrodes nail plate
D. Hardens applied product
Answer: B. Temporarily removes moisture
10. Common effect of over-filing:
A. Better adhesion
B. Nail separation & allergic reactions
C. Stronger nail plate
D. Faster application
Answer: B. Nail separation & allergic reactions
11. Coatings that harden by evaporation are:
A. UV gels
B. Liquid & powder acrylics
C. Polishes, top coats
D. Cyanoacrylate adhesives
Answer: C. Polishes, top coats
12. What are polymers?
A. Small adhesive molecules
B. Long chains of millions of molecules
C. Liquids that never solidify
D. Visible suspension particles
Answer: B. Long chains of millions of molecules
13. Monomers are:
A. Polymer chains
B. Individual molecules forming polymers
C. Evaporation products
D. Emulsifiers
Answer: B. Individual molecules forming polymers
14. Polymerization is also called:
A. Dehydration
B. Curing or hardening
C. Condensation
D. Oxidation
Answer: B. Curing or hardening
15. What does a catalyst do?
A. Slows reaction
B. Speeds up reaction
C. Neutralizes product
D. Kills bacteria
Answer: B. Speeds up reaction
16. Function of an oligomer in UV gels:
A. Gives sticky consistency, cures easily
B. Increases product rigidity
C. Acts as solvent
D. Neutralizes pH
Answer: A. Gives sticky consistency, cures easily
17. Simple polymer chains:
A. Solvent-resistant
B. Easily dissolved, weaker
C. Impossible to remove
D. Always stronger than cross-linked
Answer: B. Easily dissolved, weaker
18. Cross-linked polymers:
A. Weak, easy to dissolve
B. Strong, durable, flexible
C. Not used in nail products
D. Removed easily with acetone
Answer: B. Strong, durable, flexible
19. Three main acrylic types:
A. Acids, bases, neutrals
B. Polymers, monomers, oligomers
C. Methacrylates, acrylates, cyanoacrylates
D. Gels, powders, glues
Answer: C. Methacrylates, acrylates, cyanoacrylates
20. Why is MMA banned?
A. It’s carcinogenic
B. Absorbed in bloodstream
C. Poor adhesion, rigid, hard to remove, damaging
D. Too cheap
Answer: C. Poor adhesion, rigid, hard to remove, damaging
21. Evaporation coatings rely on:
A. Catalysts
B. Photo-initiators
C. Volatile solvents
D. Acid primers
Answer: C. Volatile solvents
22. Plasticizers in coatings:
A. Harden products
B. Keep products flexible
C. Make them water-soluble
D. Dehydrate nail
Answer: B. Keep products flexible
23. UV stabilizers prevent:
A. Solvent evaporation
B. Polymerization
C. Sunlight fading/discoloration
D. Fast drying
Answer: C. Sunlight fading/discoloration
24. Paracelsus’ quote means:
A. Not all chemicals are dangerous
B. Dose determines poison vs. remedy
C. Some products aren’t chemicals
D. Natural chemicals are always safe
Answer: B. Dose determines poison vs. remedy
25. How to prevent inhalation overexposure?
A. Open windows only
B. Use proper ventilation + N95 mask
C. No protection needed
D. Ceiling fans are enough
Answer: B. Use proper ventilation + N95 mask