Class 8 Synthetic Fibres And Plastics CBSE Questions & Answers
Class 8 · Synthetic Fibres And Plastics
This is Science Class 8 Synthetic Fibres and Plastics CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
Recycled plastic can be produced from :
- Aused thermoplasticCorrect
- Bused thermosetting plastic
- Call synthetic fibres
- Dunused thermosetting plastic
2
These telephone sets are made up of :

- ABakeliteCorrect
- BPET
- CPVC
- DMelamine
3
These Japanese bottles are made of :

- APVC
- BPETCorrect
- CPTFE
- DTerylene
4
The bowls shown in image must be made of :

- AmelamineCorrect
- Bbakelite
- CPolystyrene
- DPolyvinylchloride
5
Sunita found that a plastic can be moulded into any shape one wants and a number of times, such plastic is:
- Abakelite
- Ball of them
- CnylonCorrect
- Dmelamine
6
Read the following statements:i) We should not burn plastic materials.ii) Fumes produced by burning plastics are carcinogenic.
- AStatement ii) is wrong and i) is correct
- Bboth are wrong
- Cboth are correctCorrect
- DStatement i) is wrong and ii) is correct
7
Choose the correct pair :
- ALeftover foodstuff : non biodegradable
- BPaper : biodegradableCorrect
- CCans : biodegradable
- DCotton cloth : non biodegradable
8
Which plastic this symbol indicates?

- APETCorrect
- BPTFE
- CPP
- DPVC
9
Which plastic this symbol indicates?(it is the first of bad ones)

- APTFE
- BPP
- CPVCCorrect
- DPET
10
This symbol is for another plastic to be avoided. This is :

- APolyvinyl chloride
- BPolystyreneCorrect
- CPolypropylene
- Dteflon
11
Which of the following is incorrect regarding plastics?
- Adurable
- Bresistant to weather
- Cnon biodegradable
- Dnon recyclableCorrect
12
Crushing the plastic bottles and containers initiates its :
- Abiosynthesis
- Brejuvenation
- CrecyclingCorrect
- Ddegradation
13
PIC refers to :
- APlastic Ideological Code
- BPlastic Ignition Code
- CPlastic Identification CodeCorrect
- DPlastic Imaging Code
14
_____ of plastics releases foul smell and toxic gases :
- Abiodegradation
- Bbioremediation
- CRecycling
- DincinerationCorrect
15
Match the following :i) Thermoplastic…………………a) Polyester + cottonii) Rayon………………………….b) cannot be recyclediii) Acrylic…………………………c) artificial silkiv) Thermosetting plastic……….d) cheaper than woolv) Terylene………………………e) can be recycled
- Ai.b,ii.d,iii.e, iv.c, v.a
- Bi.d,ii.a,iii.b, iv.e, v.c
- Ci.e,ii.c,iii.d, iv.b, v.aCorrect
- Di.c,ii.e,iii.d, iv.a, v.b