Addis Entrance Hub Quiz

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Updated: May 5, 2026 at 2:07 PM

Addis Entrance Hub Quiz

🎓 Grade 9-12 Students Ethiopia 📚 Free Quiz for Exam Prep 🔬 Biology • ⚗️ Chemistry • 🧮 Math • 🌍 Geography ✅ Test Your Knowledge 💡 Learn with Instant Explanations 🚀 Join & Boost Your Score!

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Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q14/20

Q14: Nylon contains which type of linkage?

A) Ester linkage
B) Amide linkage
C) Ether linkage
D) Glycosidic linkage

#Grade12 #Chemistry #Polymers #Quiz

597

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q11/20

Q11: Vulcanization of rubber involves treating it with:

A) Carbon
B) Sulfur
C) Silicon
D) Phosphorus

#Grade12 #Chemistry #Polymers #Quiz

583

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q12/20

Q12: Elastomers have which type of structure?

A) Linear
B) Branched
C) Cross-linked
D) Ring

#Grade12 #Chemistry #Polymers #Quiz

625

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q13/20

Q13: Polyester contains which type of linkage?

A) -CONH-
B) -COO-
C) -CO-
D) -CH₂-

#Grade12 #Chemistry #Polymers #Quiz

605

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q8/20

Q8: PTFE (Teflon) is commonly used for:

A) Making ropes
B) Non-stick coating on cookware
C) Plastic bags
D) Water pipes

#Grade12 #Chemistry #Polymers #Quiz

573

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q9/20

Q9: Which of the following is a biodegradable polymer?

A) Polystyrene
B) PVC
C) Polylactic acid (PLA)
D) Polyethylene

#Grade12 #Chemistry #Polymers #Quiz

572

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q10/20

Q10: Natural rubber is obtained from:

A) Petroleum
B) Rubber tree (latex)
C) Corn starch
D) Cotton fibers

#Grade12 #Chemistry #Polymers #Quiz

533

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q5/20

Q5: Polyethylene is an example of:

A) Condensation polymer
B) Addition polymer
C) Natural polymer
D) Thermosetting polymer

#Grade12 #Chemistry #Polymers #Quiz

495

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q6/20

Q6: Nylon is formed by:

A) Addition polymerization
B) Condensation polymerization
C) Radical polymerization
D) Ionic polymerization

#Grade12 #Chemistry #Polymers #Quiz

491

Addis Entrance Hub Quiz

Apr 24, 2026, 12:27 AM

📝 Grade 12 Polymer Chemistry - Quiz Q7/20

Q7: Which of the following polymers is thermosetting?

A) Polyethylene
B) PVC
C) Bakelite
D) Polystyrene

#Grade12 #Chemistry #Polymers #Quiz

524

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