Multiple choice

Consider the following statements:

  1. The SPI (Society of the Plastics Industry) resin identification coding system is a set of symbols placed on plastics to identify the polymer type.
  2. The term white pollution has been coined to describe the smog present in the atmosphere.

Which of the above statements is/are incorrect?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  1. The SPI (Society of the Plastics Industry) resin identification coding system is a set of symbols placed on plastics to identify the polymer type. The primary purpose of the codes is to allow efficient separation of different polymer types for recycling. Separation must be efficient because the plastics must be recycled separately.
    1. White pollution is improper disposal of rubbish such as food containers and wrapping paper along railway stations, rivers and any other corner of city streets. This term has been coined to describe the local and global effects of discarded plastic bags upon the environment.

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