List of top Food Technology Questions on Food Packaging

Apples are wrapped in waxed paper to:
Which of the following is a unique example of emulsion technology?
In which of the following different plastics are combined to get certain desirable properties?
Which one of the following absorbents is NOT used as an ethylene absorber in active packaging of fruits and vegetables?
Which one of the following absorbents is NOT used as an ethylene absorber in active packaging of fruits and vegetables?