c5 Flashcards by Isla D | Brainscape

Q

reaction name for acid + base?

A

nuetralisation

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Q

copper oxide + supluric acid?

A

solution turns blue, solid will dissolve

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Q

how do you know reaction has happened? 4

A

colour change
temp change
odur
sound (fizzing)

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Q

more vigourous reaction if?

A

one element more reactive than other

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Q

metal + acid?

A

salt + hydrogen

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Q

formula for nitric acid and nitrates?

A

HNO3, No3-

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Q

native?

A

occurance of metal as element to enviroment

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Q

ore?

A

rock containing enough metal to make it commercially suitable for extraction

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Q

2 disadvantages of reducing using hydrogen?

A

expensive
may be unwanted products

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Q

salt?

A

compound formed when acid is replaced by metal ions

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Q

base?

A

ionic compounds for neutralising

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Q

alkali?

A

soluble base

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Q

acid +base?

A

salt +water

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Q

H+ add OH- equals?

A

H2O

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Q

acid?

A

ionises to form H+ ions when dissolved in water

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Q

what do alkalis form when dissolved?

A

OH- ions