Q238
Pick up the correct statement from the following:
A.
Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite
B.
Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite
C.
Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic
D.
All the above
AnswerAnswer: Option D
Solution
Answer: Option D
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