Structure and Properties of Polymers

Chemistry ⇒ Polymers and Macromolecules

Structure and Properties of Polymers starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Structure and Properties of Polymers. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 11

Describe the difference between homopolymers and copolymers.

Describe the effect of cross-linking on the melting point of a polymer.

Describe the structure and one property of cross-linked polymers.

Describe the structure of a linear polymer and give one example.

Explain the difference between addition polymerization and condensation polymerization.

Explain why branched polymers generally have lower density than linear polymers.

Explain why some polymers are soluble in organic solvents while others are not.

A sample of a polymer has a degree of polymerization of 500 and the molar mass of the repeating unit is 28 g/mol. Calculate the approximate molar mass of the polymer.

Which of the following best describes a polymer? (1) A substance made of small repeating units called monomers, (2) A single molecule of water, (3) A mixture of metals, (4) A type of salt

Which of the following is a biodegradable polymer? (1) Polylactic acid (PLA), (2) Polyethylene, (3) Polystyrene, (4) Polyvinyl chloride

Which of the following is a condensation polymer? (1) Polyethylene, (2) Polyvinyl chloride, (3) Nylon-6,6, (4) Polystyrene

Which of the following is a copolymer? (1) Polyethylene, (2) Polystyrene, (3) Nylon-6,6, (4) Polypropylene

Fill in the blank: The glass transition temperature (T_g) is the temperature at which a polymer changes from a __________ state to a rubbery state.

Fill in the blank: The monomer of natural rubber is __________.

Fill in the blank: The monomer of polystyrene is __________.

Fill in the blank: The polymer Teflon is made from the monomer __________.

Is the following statement true or false? All synthetic polymers are non-biodegradable.

Is the following statement true or false? Cross-linked polymers are usually harder and more rigid than linear polymers.

Is the following statement true or false? Polymers with a high degree of crystallinity are usually transparent.

Is the following statement true or false? The degree of polymerization refers to the number of repeating units in a polymer chain.