Question Detail

Natural rubber is a polymer derived from ?

ethylene
propylene
isoprene
butadiene

Answer: Option C

Similar Questions :

1. The luster of a metal is due to :

high polishing
high density
chemical inertness
presence of free electrons

Answer: Option D

2. The most electropositive elements among the following is :

Cs
Ca
Na
Br

Answer: Option A

3. Which is not a type of elements ?

Metals
Non Metals
Metalloids
Gases

Answer: Option D

4. Why is phosphorus kept under water ?

to make it wet
to make it durable
water forms a protective coating on it
to save it from catching fire when exposed to dry air

Answer: Option D

5. What is used to avoid melting of ice ?

Gelatine
Butane
Methane
Any acid

Answer: Option A

Read more from - Chemistry Questions Answers

Aniruddha banerjee 10 years ago

cis-Polyisoprene
natural rubber–[CH2-CH=C(CH3)-CH2]n–isoprene
CH2=CH-C(CH3)=CH2soft, sticky solidrequires vulcanization
for practical use
Aniruddha 10 years ago

cis-Polyisoprene
natural rubber–[CH2-CH=C(CH3)-CH2]n–isoprene
CH2=CH-C(CH3)=CH2soft, sticky solidrequires vulcanization
for practical use

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