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- 1. Fill in the Blank
This gets deformed by heating. Name it.
- 2. Open Ended
What do you understand by thermosetting plastics?
- 3. Multiple Choice
This arrangement is specific in
bakelite
polythene
PVC
Water bottle plastic
- 4. Multiple Choice
This is a product of __________________________ and it resists ________________________
PVC ,fire
PVC, heat
Melamine, fire
Polythene, Heat
- 5. Multiple Choice
Threads for stitching wounds are made of
Rubber
Steel
Plastic
Copper
- 6. Fill in the Blank
Aluminium or any other metal cans will take 100 to __________________ years to degenerate.
- 7. Open Ended
Are you in favour of using plastics? If yes/no give reasons.
- 8. Multiple Choice
This figure is showing the coating a car by using
Teflon
Bakelite
Melamine
ceramic
- 9. Open Ended
As a responsible citizen you should follow 5 R principle.
- 10. Multiple Choice
All the products shown in the figure are biodegrable
No
Yes
Few are biodegradable
None of the above
- 11. Multiple Choice
Look at the utensils it is made of plastic handles because
They are light, durable and strong
They are poor conductors of heat and electricity
They are non- reactive
They do not catch fire
- 12. Multiple Choice
Fire proof plastic uniform worn by fire fighters has a coating of
RAYON
SILK
NYLON
MELAMINE
- 13. Multiple Choice
a) is a monomer and b) is a polymer
a) is linear arrangement and b) is a monomer
a) is linear polymer and b) is a cross linked polymer
a) is a polymer and b) is a monomer
- 14. Multiple Choice
Identify the type of pollution and its consequences
WATER , RESPIRATORY TRACT CONGESTION
AIR, CHOLERA
LAND, RESPIRATORY ILLNESS
AIR, RESPIRATORY TRACT CONGESTION
- 15. Multiple Choice
THIS CARBON MONOXIDE CAUSES
INCREASE IN OXYGEN CARRYING CAPACITY IN RBC
REDUCED OXYGEN CARRYING CAPACITY IN RBC
INCREASE NITROGEN CARRYING CAPACITY IN RBC
INCREASE CARBON DIOXIDE CARRYING CAPACITY IN RBC
- 16. Multiple Choice
CHEMICALS IN FERTILIZERS DRAINED INTO WATER BODIES ARE CAUSING
BACTERIAL GROWTH
GROWTH OF ALGAE
GROWTH OF BIRDS
GROWTH OF FISHES
- 17. Multiple Choice
HIGH CONCENTRATION OF SULPHURIC ACID AND NITRIC ACID IN ATMOSPHERE CAUSES
RAIN
STORMS
HAIL STONES
ACID RAINS
- 18. Multiple Choice
GREEN HOUSE GASES ARE
NITROGEN, WATER VAPOUR AND CARBON DIOXIDE
NITROGEN, METHANE AND OXYGEN
NIROGEN, CARBONDIOXIDE AND OXYGEN
CARBON DIOXIDE, WATER VAPOUR AND METHANE
- 19. Multiple Choice
WHY IS TAJ MAHAL SEEN LIKE THIS NOW
DUE TO CFCs
DUE TO MARBLE CANCER
DUE TO RUST
DUE TO YELLOW POLISHING
- 20. Multiple Choice
WHAT IS HAPPENING IN THIS FIGURE THE SUNS HEAT IS TRAPPED IN OUR EARTH'S ATMOSPHERE? ---
IT IS GREEN HOUSE EFFECT
IT IS WHITE HOUSE EFFECT
IT IS SUN" S EFFECT
IT IS LUNAR EFFECT
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