Q1: 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.