Home / iGCSE Chemistry (0620) Core:11.8 Polymers: Exam Style Questions Paper 1

iGCSE Chemistry (0620) Core:11.8 Polymers: Exam Style Questions Paper 1

Question

Which statement about the disposal of waste plastics is correct?

A) They are put in landfill sites, where they quickly decompose.
B) They are burned to produce non-toxic products.
C) They accumulate in oceans, where they are harmful to aquatic life.
D) They are dissolved in water and pumped into the sea.

▶️ Answer/Explanation
Solution

Ans: C

Let’s evaluate each statement:

A) Incorrect – Plastics decompose very slowly in landfills, often taking hundreds of years.

B) Incorrect – Burning plastics typically produces toxic gases and pollutants, unless done under very controlled conditions.

C) Correct – Plastic waste does accumulate in oceans, forming things like the Great Pacific Garbage Patch, and harms marine life through ingestion and entanglement.

D) Incorrect – Most plastics are not water-soluble and this is not a standard disposal method.

Option C is the only completely accurate statement about plastic disposal issues.

Question

Polymers are long-chain molecules made from small molecules linked together. Four polymers or types of polymer are listed.
                        1        carbohydrates
                        2       nylon
                        3       proteins
                       4       Terylene
Which polymers or types of polymer are synthetic?
A. 1 and 3                  B. 1 and 4                    C. 2 and 3                      D. 2 and 4

Answer/Explanation

Ans:

D

Question

 Which polymers or types of polymer are synthetic?

1 carbohydrates

2 nylon

3 proteins

4 Terylene

A 1 and 3

B 1 and 4

C 2 and 3

D 2 and 4

▶️Answer/Explanation

Ans:D

Question

Molecule 1 undergoes a process to make molecule 2.

Answer/Explanation

Ans: B

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