Synthetic Polymers
Bayani Gaba-gaba
The plastic bag in your hand, the window frame in your classroom, the insulation around electrical wiring - all of these are synthetic polymers, giant molecules built by joining thousands of small monomer units end to end. Polymers have transformed modern life, but their durability creates serious disposal problems.
In this lesson you will learn how addition polymers form from alkene monomers, how to draw repeat units and work backwards to find the monomer, and why disposing of polymers is an environmental challenge.
Manufura
- Know that an addition polymer is formed by joining up many small molecules called monomers
- Understand how to draw the repeat unit of the addition polymer poly(ethene)
- Understand how to deduce the structure of a monomer from the repeat unit of an addition polymer and vice versa
- Explain problems in the disposal of addition polymers, including their inertness and inability to biodegrade and the production of toxic gases when they are burned
Taswirar tunani
An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.
Bude taswirar tunani a cikin manhaja
Katunan tunawa
Gwaji mai sauri kan abin da ake jarraba a wannan batu.
Yi atisayen wadannan katuna a cikin manhaja
Takardar Darasi
Cikakken Bayanin Darasi Yana Kan Manhajar Green Bridge
Sami manhajar Green Bridge CBT a wayarka ko kwamfutarka domin cikakken laburaren IGCSE: takardun jarrabawar baya, tsarin kimantawa, taswirar tunani, katunan karatu da darussan sauti.
Nazarin Darasi
Barka da kammala darasi akan Synthetic Polymers. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- What type of bond must a monomer contain for addition polymerisation? A) A single bond B) A double bond C) An ionic bond D) A metallic bond Answer: B
- The monomer for poly(ethene) is: A) Methane B) Ethane C) Ethene D) Propene Answer: C
- Addition polymers are difficult to dispose of because they: A) Are very expensive B) Are non-biodegradable C) React with water D) Dissolve in soil Answer: B
- Burning PVC produces the toxic gas: A) Oxygen B) Nitrogen C) Hydrogen chloride D) Methane Answer: C
- During addition polymerisation, the C=C double bond: A) Stays the same B) Becomes a triple bond C) Opens to form single bonds D) Breaks completely Answer: C
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Yi Aikin Tambayoyin Gwaji
Kana son yin aikin tambayoyin gwaji kan Synthetic Polymers? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.
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Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.
