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Questions and Answers
What is the internal vacuum an indication of?
What is the internal vacuum an indication of?
- The expiration date of the can
- The type of food inside
- The size of the can
- The quality and success of the preservation process (correct)
What is the purpose of the internal vacuum in a can?
What is the purpose of the internal vacuum in a can?
- To increase the storage capacity of the can
- To make the can easier to open
- To keep the two ends of the can concave inwards (correct)
- To make the can lighter
How can good-sealed cans be distinguished from spoiled ones?
How can good-sealed cans be distinguished from spoiled ones?
- By the color of the can
- By the internal vacuum keeping the two ends of the can concave inwards (correct)
- By the sound of the can when tapped
- By the shape of the can
What is the result of the internal vacuum in a can?
What is the result of the internal vacuum in a can?
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Why is the internal vacuum important in food preservation?
Why is the internal vacuum important in food preservation?
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