June 2015 Flashcards by Jessica D | Brainscape

Q

What colour is CuCO3?

A

Green.

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Q

What colour is CuO?

A

Black.

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Q

Why could decomposition be not complete?

A

Spirit burner instead of a Bunsen burner.

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Q

Glucose ->

A

Ethanol + carbon dioxide.

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Q

Temperature for hydration?

A

350C.

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Q

What kind of reaction is ethanol and ethane?

A

Dehydration.

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Q

What happens to ions during melting?

A

They are mobile.

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Q

How to obtain crystals?

A

Mix and heat substances.
Use excess.
Filter.
Heat to remove some water.
Leave to crystallise.

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