Analysis GCSE Chemistry AQA (higher)

So. It's the last topic of Chemistry GCSE
WOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!
EXCITING STUFF.
My final chemistry quiz.
On every sentence in the chapter, except the first bit about positive ions....it's in my last quiz!

This is now all of it.
Good Luck! 

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What happens when sodium hydroxide is added to calcium?
A white precipitate forms
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What happens when sodium hydroxide is added to Magnesium?
A white precipitate forms
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What happens when sodium hydroxide is added to aluminium?
A white precipitate forms
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What happens when sodium hydroxide is added to Iron(II)?
A green precipitate forms that slowly turns brown
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What happens when sodium hydroxide is added to Copper(II)?
A blue precipitate forms
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What happens when sodium hydroxide is added to Iron(III)?
A reddish-brown precipitate forms
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What happens to aluminium hydroxide when sodium hydroxide is added?
It dissolves
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What is the test for negative carbonate ions?
add dilute hydrochloric acid.
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What is the test for Halide ions?
add dilute nitric acid and silver nitrate solution.
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What is the test for sulfate ions?
add dilute hydrochloric acid and then barium chloride solution
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What is the test for nitrate ions?
add a little aluminium powder and sodium hydroxide
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What do carbonates produce when they decompose on heating?
carbon dioxide
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What colour is copper carbonate?
green
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What colour is zinc carbonate?
white
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What colour is copper oxide?
black
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What colour is zinc oxide when hot?
yellow
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What colour is zinc oxide when cool?
white
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What do all organic compounds contain?
carbon
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What do many organic substances produce when burnt in air?
carbon dioxide
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Those that do not burn easily contain..............
carbon
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how do we calculate the empirical formula?
measure the mass, divide by empirical formula and use ratio.
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What do organic compounds contain that make them "unsaturated"?
a carbon-carbon double bond
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What is one substance that reacts with organic compounds?
Iodine
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What is another substance that reacts with organic compounds?
bromine
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What colour is Q24?
decolourised
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What is Q24 used to test for?
unsaturated substances
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What is Q23 used to test for?
carbon-carbon bonds
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Name one method used for measuring and detecting elements in samples.
Atomic absorption spectroscopy
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What can this do?
Can detect very small amounts of elements, samples as small as 0.02cm3.
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What is the other method of measuring elements in samples?
Mass spectrometers
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what can this do?
Can identify and measure elements in a substance, find ratios of isotopes in an element & used to calculate relative atomic mass
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What colour will the substance turn if carbonate ions are present?
fizzes and gas produced turns limewater milky
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What colour will the substance turn if chloride ions are present?
White precipitate
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What colour will the substance turn if bromide ions are present?
a cream precipitate
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What colour will the substance turn if iodide ions are present?
yellow precipitate
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what colour will the substance turn if nitrate ions are present?
litmus paper turns blue and ammonia is released
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What do spectroscopic methods use?
radiation
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What does gas-liquid chromatography use?
a gas that carries compounds through a liquid on a solid support
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What would you use to find information about particular bonds in a molecule?
infa-red spectroscopy
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What would you use to find the structures of organic molecules?
nuclear magnetic resonance
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What would you use to find the amount of substance in a solution?
UV and visible light spectroscopy
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What happens in a mass spectrometer?
molecules break up
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What colour will the substance turn if sulfate ions are present?
white
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What is the result for an unsaturated compound?
turns orange-brown
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Other cards in this set

Card 2

Front

What happens when sodium hydroxide is added to Magnesium?

Back

A white precipitate forms

Card 3

Front

What happens when sodium hydroxide is added to aluminium?

Back

Preview of the front of card 3

Card 4

Front

What happens when sodium hydroxide is added to Iron(II)?

Back

Preview of the front of card 4

Card 5

Front

What happens when sodium hydroxide is added to Copper(II)?

Back

Preview of the front of card 5
View more cards

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