Discussion :: Building Materials
-
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. |
Answer : Option D
Explanation :
No answer description available for this question
Be The First To Comment