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Chemistry > Topic 8; Chemical Analysis > Flashcards

Topic 8; Chemical Analysis Flashcards

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1
Q

What is a pure substance?

A

Single element or compound, not mixed with any other substance

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2
Q

What is a formulation?

A

Mixture of compounds in measured quantities, designed as a useful product

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3
Q

What is an example of some formulations?

A

Paint, fuel, medicines, fertilisers

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4
Q

How is Rf calculated?

A

Distance moved by the spot / distance moved by the solvent

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5
Q

Describe the tests for hydrogen, oxygen, CO2 and chlorine

A

Hydrogen; pop with burning splint over gas
Oxygen; glowing splint relights
CO2; turns limewater milky
Chlorine; bleaches damp litmus paper making it white

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Chemistry (11 decks)

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