The polymers are classified according to their molecular forces. Concept introduction: The polymers are classified based on the intermolecular forces present in the compound. These are four types. i.e., 1) Elastomers 2) Fibres 3) Thermoplastic polymers 4) Thermosetting polymers Elastomers are the polymers which contain weakest forces of attractions. Fibres are the thread forming polymers which contain very strong intermolecular attractions. Hence these polymers are used to make ropes [nylon (6, 6)] Thermoplastics are the polymers which are linear or slightly branched and have intermediary intermolecular attractions between elastomers and fibres. Thermosetting polymers are cross-linked polymers which have different characteristics than thermoplastics.

Question

NGLISH b) Identify the bonds present in the molecule drawn (s) above. (break) State the function of the following equipments found in laboratory. Omka) a) Gas mask b) Fire extinguisher c) Safety glasses 4. 60cm³ of oxygen gas diffused through a porous hole in 50 seconds. How long w 80cm³ of sulphur(IV) oxide to diffuse through the same hole under the same conditions (S-32.0.0-16.0) (3 m 5. In an experiment, a piece of magnesium ribbon was cleaned with steel w clean magnesium ribbon was placed in a crucible and completely burnt in oxy cooling the product weighed 4.0g a) Explain why it is necessary to clean magnesium ribbon. Masterclass Holiday assignmen PB 2

Answer 1

Question

Chapter 8, Problem 8.75PAE

Interpretation Introduction

Interpretation:

The polymers are classified according to their molecular forces.

Concept introduction:

The polymers are classified based on the intermolecular forces present in the compound. These are four types. i.e., 1) Elastomers 2) Fibres 3) Thermoplastic polymers 4) Thermosetting polymers

Elastomers are the polymers which contain weakest forces of attractions.

Fibres are the thread forming polymers which contain very strong intermolecular attractions. Hence these polymers are used to make ropes [nylon (6, 6)]

Thermoplastics are the polymers which are linear or slightly branched and have intermediary intermolecular attractions between elastomers and fibres.

Thermosetting polymers are cross-linked polymers which have different characteristics than thermoplastics.

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