Question
Bakelite is a polymer which is used in the manufacturing
of buckets and electrical switches. What are the monomers of bakelite?Solution
A polymer is formed from monomer units. Bakelite is a polymer formed from phenol and formaldehyde (which are monomers). Bakelite is an early plastic. It is a thermosetting polymer (thermosetting plastics remain in a permanent solid state once hardened) formed from condensation of phenol and formaldehyde. Neoprene is the polymer of chloroprene. Polyethylene terephthalate is the polymer of ethylene glycol and terephtalic acid. Buna –S is the polymer of 1, 3 buta diene ad styrene. Hence, option A is correct.Â
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statement: Â Â Â Â Â
Only a few Boat are Noise. Â Â Â Â
Only a few Noise are Bose. Â Â Â Â
Conclusion: Â Â Â
I. Som...
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
In the questions given below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be ...
Statements: All AC are Fans.
All Fans are Coolers.
Conclusions:I. All AC are Coolers.
II. Some Fans are AC.
III. No AC is...
In the questions given below, there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be...
- Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance wi...
- Statements:
All Flowers are Fruits.
Only a few Fruits are Vegetables.
No Vegetable is Carrot.
Conclusions:
I. All Flower... Statements-:Â
Some teachers are doctor
Some doctors are police
Some police are army.
Conclusions-:
I. Some Teach...
Statements:
Only a few Orange are Apple
Some Orange are not Mango
Some Mango are Pear
Conclusions:
I. All Apple are O...
Relevant for Exams:
