AQA Chemistry Paper 2 (Triple Topics Only) - Statistics

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General Stats

This quiz has been taken 17 times
The average score is 15 of 61

Answer Stats

Hint	Answer	% Correct
functional group: C=C ___ bond	double	67%
they are ___ reactive than alkanes	more	60%
produced by cracking long-chain alkenes	alkenes	53%
general formula: C__H__	n 2n	53%
can be oxidised to produce ___ ___	carboxylic acids	47%
have a functional group -COOH	carboxylic acids	47%
dissolve in ___ to form a neutral solution	water	47%
burn in air to produce carbon dioxide and ___	water	47%
a small molecule (___) is formed	water	47%
have the functional group -OH	alcohols	40%
large molecule essential for life, found in a double helix structure	DNA	33%
the monomer of nucleotides forms:	DNA	33%
crimson flame	lithium	33%
potassium	potassium	33%
react with ___ to produce hydrogen	sodium	33%
yellow/orange	sodium	33%
not all carbon bonds are occupied by hydrogen: they are ___	unsaturated	33%
react with alcohols to produce ___ when an acid catalyst is added	acid	27%
calcium	calcium	27%
carboxylic acid group	COOH	27%
copper	copper	27%
can also be produced by an addition reaction of steam with ___, using a catalyst	ethene	27%
white	magnesium/calcium/aluminium	27%
the monomer of amino acids forms:	proteins	27%
test for sulfate ions: add dilute ___ acid and barium chloride	sulfuric	27%
they're ___ acids - don't ionise completely when dissolved in water	weak	27%
you will form a ___ precipitate if sulfate ions are present	white	27%
you can form ethanol by: adding ___ to a sugar solution	yeast	27%
made from alkene molecules, only the polymer forms with no other product	addition	20%
which one forms a white precipitate and also dissolves in excess NaOH?	aluminium	20%
cream precipitate	bromide	20%
white precipitate: ___ ions	chloride	20%
made from monomers with two functional groups (eg. ethane diol or hexanedioic acid), has a small molecule byproduct in the reaction	condensation	20%
react with carboxylic acids to make ___	esters	20%
first three	ethene, propene, butene	20%
ethanoic acid + ethanol -> ___ ___ + water	ethyl ethanoate	20%
instrumental methods are more accurate, more sensitive (only need tiny sample), and ___	faster/quicker	20%
instrumental method you can use to identify an ion	flame emission spectroscopy	20%
yellow precipitate	iodide	20%
green	iron II	20%
brown	iron III	20%
first three	methanol, ethanol, propanol	20%
amine group	NH2	20%
monomer for this polymer	nucleotides	20%
long chain molecules	polymers	20%
test for halide ions: add dilute nitric acid then ___ ___ solution	silver nitrate	20%
the monomer of sugars forms:	starch/cellulose	20%
polymer with two functional groups: an amine group and a carboxylic acid group	amino acid	13%
keep in a warm place in ___ conditions	anaerobic	13%
blue precipitate	copper II	13%
dissolve in water to form ___ solutions	acidic	7%
test for ___ ions: add acid and you will see effervescence	carbonate	7%
these can ___ because an amine group on one molecule will react with a carboxylic acid group on the neighbouring one	polymerise	7%
they use a machine to ___ carry out a measurement	automatically	0%
react with ___ to produce carbon dioxide	carbonates	0%
flame tests for ___: dip wire loop in acid, heat until the flame burns with no colour, dip in acid again, dip into compound, hold loop in flame	cations	0%
ethanoic acid formula	CH3CH2COOH	0%
formula for the second of these	CH3CH2OH	0%
term for a family of compounds with the same functional group	homologous series	0%
same is placed in a flame, light emitted through spectroscope, ___ ___ unique for each ion is produced	line spectrum	0%
hydroxide precipitates: sample solution placed in test tubes, and a few drops of dilute ___ ___ are added	sodium hydroxide	0%

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