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
OUTLANDISH
Identify the highlighted part of speech, choose the correct answer
The student procrastinated too long and failed to finish the projectÂ
...From the options given below, select the option which states the correct combination of correct sentences.
- The fact is...
Most children remain ______ school between the age of seven and ten.
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Select the statement that can logically complete the paragraph given below.
  That human beings often continue to pour money into bad project...
"An interview after the campaign ends (is the normal) for every candidate and every campaigner in every election," he said.
(As soon after the players arrived) in decorated cars, the ceremony began with traditional African drummers and dancers blowing conch shells.
Select the correctly punctuated sentence from the options below.
As a result of the unrellenting focus (A)/ on the anguished knocks (B)/ at the doors of the highest court, (C)/ the other inadequacies of the system (D)...
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