States of matter and mixtures (1) Flashcards

1
Q

What is the state change from

solid to gas?

A

sublimation

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2
Q

What is the state change from

gas to solid?

A

deposition

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3
Q

Define

mixture.

A

a substance which contains different elements and/or compounds which are not chemically joined together

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4
Q

Define

pure.

A

a substance that contains only one element or compound

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