Tag: manmade materials

Questions Related to manmade materials

Multiple choice chemistry manmade materials synthetic rubber rubber polymer

Acetaldehyde can be used for making synthetic:

  1. protein

  2. perfumes

  3. rubbers

  4. sugar

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Acetaldehyde is primarily used as an intermediate in the manufacture of a range of chemicals, perfumes, aniline dyes, plastic and synthetic rubber, etc.

$\therefore$ Answer is option $B$ and $C$.

Multiple choice chemistry manmade materials synthetic rubber rubber polymer

Which of the following is not a synthetic rubber?

  1. Neoprene

  2. Buna-N rubber

  3. Buna-S rubber

  4. Polyethylene

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Neoprene, Buna-N, and Buna-S are all types of synthetic rubbers. Polyethylene is a plastic (thermoplastic polymer), not a synthetic rubber.

Multiple choice chemistry manmade materials plastic and environment pollution due to plastics environmental impact: plastics

Plastic products are identified by the use of some special numbers. These numbers represent for

  1. Electrical conductivity of plastic product

  2. Thermal resistance of plastic product

  3. Durability of plastic product

  4. Recycling of plastic product

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

These numbers are used to indicate whether the plastic can be recycled into new products or not.