Glass Flashcards

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1
Q

Give two examples of uses of glass as a packaging

A

Jars

Bottles

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2
Q

Give four advantages of using glass as a type of packaging

A

Protects food from contamination
Easily moulded into a variety of shapes and sizes
Available coloured or transparent, so content can be examined
Can withstand heat processing without cracking e.g. pyrex

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3
Q

Give four disadvantages of using glass as a type of packaging

A

Heavy to lift and transport which increases transport costs
Easily broken or damages
Expensive to produce
Cannot be printed on so labelling is required

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4
Q

Give two ways properties of glass that do not have a negative impact on the environment

A

It is 100% recyclable

It is reusable

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5
Q

Give two properties of glass that have a negative impact on the environment

A

It can be dangerous to animals

It is non-biodegradable

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6
Q

Glass is 100% recyclable, what impact does this have on the environment?
(2)

A

Glass can be recycled repeatedly without loss of purity or quality.
This reduces greenhouse gas emissions, pollution and landfill, and conserves raw materials

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7
Q

Give an example of a way glass can be reused

A

A glass jar can be reused to store home-made preserves

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8
Q

How can glass be dangerous to animals?

A

The careless disposal of glass can be dangerous for animals as it can damage their flesh

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9
Q

Glass is non-biodegradable, what does this mean?

A

It cannot be broken down by microorganisms

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10
Q

Give an example of how jars can be used as a packaging

A

Jam jars

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11
Q

Give an example of how bottles can be used as a packaging

A

Coke bottles

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