Plastic Containers: Types and History
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Questions and Answers

What was the most widely used plastic in packaging from the late 1940s onwards?

  • Polyvinyl chloride
  • Polystyrene
  • Polyethylene (correct)
  • Polypropylene

Which of the following is a common type of rigid plastic packaging used for food containers?

  • Paper bags
  • Butter tubs (correct)
  • Soda bottles
  • Glass jars

In what departments are large rigid containers commonly used at grocers and retailers?

  • Toy department
  • Bakery, deli, seafood, and pharmacy departments (correct)
  • Electronics department
  • Sporting goods department

Why is plastic film necessary for packaging red meat?

<p>To allow oxygen to enter (B)</p> Signup and view all the answers

Which of the following materials can plastic film be combined with?

<p>Aluminum and paper (A)</p> Signup and view all the answers

When were the first plastics derived from coal, oil, and natural gas?

<p>In the 19th century (D)</p> Signup and view all the answers

Which plastic resin is commonly used for bottles for milk, water, juice, cosmetics, and household cleaners?

<p>High Density Polyethylene (HDPE) (A)</p> Signup and view all the answers

Which plastic resin is typically used for squeezable bottles like honey and mustard containers?

<p>Polypropylene (PP) (A)</p> Signup and view all the answers

What type of plastic is often used for containers of yogurt, margarine, takeout meals, and deli foods?

<p>Polypropylene (PP) (A)</p> Signup and view all the answers

Which plastic resin is commonly used for food service items like cups, plates, bowls, and cutlery?

<p>Polystyrene (D)</p> Signup and view all the answers

What are retortable pouches and trays considered as alternatives to in food packaging?

<p>Metal cans (A)</p> Signup and view all the answers

What is the oldest edible film used to coat produce like apples for appearance and improved keeping quality?

<p>Wax (C)</p> Signup and view all the answers

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