Polymers — practice questions
48 curated practice questions from Polymers (Chemistry NEET, NTA Exams) — 25 easy, 16 medium, 7 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- The correct classification of polymers based on molecular forces is:
- Match the polymers given in Column I with their repeating units given in Column II. Choose the correct option from the…
- Among cellulose, poly vinyl chloride, nylon and natural rubber, the polymer in which the intermolecular force of…
- Which factor imparts the crystalline nature to a polymer like nylon?
- Assertion: Bakelite is formed when novolac is heated with formaldehyde which is a thermosetting polymer. Reason…
- On the basis of structure of polymers, they can be classified as:
- Match the following and choose the correct option from the codes given below. Column I (Classification basis) Column II…
- Which of the following statements about vulcanised rubber is/are correct?
- Which of the following monomers form biodegradable polymers?
- Assertion: Teflon has high thermal stability and chemical inertness. Reason: Teflon is a thermoplastic.
- Assertion: Low density polythene is used to make buckets, dustbins, bottles etc. Reason: Low density polythene consists…
- Which of the following polymer is used for manufacturing of buckets, dustbins, pipes etc?
- Assertion: Network polymers are thermosetting. Reason: Network polymers have high molecular mass.
- Identify the type of polymer: (i) -A-A-A-A-A-A- (ii) -A-B-B-A-A-A-B-A-
- Assertion: Bakelite is a thermosetting polymer. Reason: Bakelite can be melted again and again without any change.
- is a polymer having monomer units ____________.
- Which of the following statements is not correct for fibres?
- On the basis of mode of polymerisation, polymers can be classified as:
- Arrange the following polymers in an increasing order of intermolecular forces; fibre, plastic, elastomer.
- Consider the following facts, (i) Weakest intermolecular forces are present in elastomers. (ii) Fibres possess…
- Assertion: Olefinic monomers undergo addition polymerisation. Reason: Polymerisation of vinyl chloride is initiated by…
- Which of the following polymer can be formed by using the following monomer unit?
- Three-dimensional molecular structure with cross-links are formed in the case of a:
- Which of the following can be repeatedly soften on heating? (i) Polystyrene (ii) Melamine (iii) Polyesters (iv)…
- Polymers containing linear chains having some branches are known as:
- Assertion: PHBV is a biodegradable polymer. Reason: PHBV is an aliphatic polyester.
- [NH(CH 2 ) 6 NHCO(CH 2 ) 4 CO] n is a:
- Assertion: Most of the synthetic polymers are not biodegradable. Reason: Polymerisation process induce toxic character…
- The repeated addition of same monomer molecules having double or triple bonds is known as:
- Assertion: Polytetrafluoroethylene is used in making non-stick cookware. Reason: Fluorine has highest electronegativity.
- Consider the following statements. (i) Polymers are also referred macromolecules. (ii) The molecular mass of polymers…
- Structure of some important polymers are given. Which one represents buna-S?
- Assertion: Polyamides are best used as fibres because of high tensile strength. Reason: Strong intermolecular forces…
- Consider the following statements about bakelite (i) It is a phenol-formaldehyde resin. (ii) It is a linear product…
- Assertion: Rayon is a semi-synthetic polymer and is taken as a better choice than cotton fabric. Reason: Mechanical and…
- Which of the following statements are incorrect? (i) Addition polymerisation is also known as chain growth…
- Assertion: Buna-S is a copolymer. Reason: Buna-S is formed by condensation reaction between two different monomers.
- Assertion: In vulcanisation of rubber, sulphur cross-links are introduced. Reason: Vulcanisation is a free radical…
- Match the following and choose the correct option from the codes given below. Column I (Polymer) Column II (Monomer) A…
- Novolac on heating with formaldehyde undergoes _____ to form an infusible solid mass called _____ :
- Which of the following statements is/are correct? (i) Molecular mass is expressed as an average. (ii) Molecular mass of…
- Biodegradable polymer which can be produced from glycine and amino caproic acid is:
- Which of the following catalyst is used in preparation of high density polythene?
- Which of the following elements is used in vulcanisation process?
- Formation of nylons and polyesters are called step-growth polymerisation because:
- Among the following polymers the strongest molecular forces are present in:
- Assertion: Thermoplastics become hard on heating and soft on cooling. Reason: Thermoplastics are cross-linked polymers…
- Which of the following is not a characteristic of thermosetting polymers?