Related Questions

Low density polythene as compared to high density polythene is
A Harder
B Tougher
C Chemically inert
D More flexible
Polythene is a/an __________ polymerisation product.
A Addition
B Condensation
C Thermosetting
D None of these
Density of high density polythene is about __________ gm/c.c.
A 1.18
B 1.05
C 0.95
D 0.99
Density of low density polythene is about __________ gm/c.c.
A 0.38
B 0.56
C 0.81
D 0.91
Polythene is industrially prepared by the polymerization of-
A Methane
B Styrene
C Acetylene
D Ethylene
This long sentence "Since it is made of chemicals any food is wrapped up in it particularly in the black polythene bag for a long time, the food item becomes contaminated” refers to
A Contaminated food items are with chemicals
B Food items are contaminated
C The food item becomes contaminated as it is made of chemicals
D Food items are full of chemicals
The monomer of polythene is
A vinyl chloride
B ethylene
C ethyl alcohol
D None of the above
Catalyst used in the production of high density polythene by low pressure Ziegler process is
A Aluminium triethyl activated with TiCl4
B Platinum
C Molybdenum
D Nickel
Polythene is polymer of
A Ethylene
B Propylene
C Acetylene
D Aniline
The polymerisation of which often following is used in manufacturing of polythene in industry ?
A Methane
B Styrene
C Acetylene
D Ethylene

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