GCSE AQA Triple Chemistry Paper 1 Test Exam
Questions And Answers Verified 100% Correct
C9 1) What is crude oil? - answer many different compound - mostly hydrocarbons
C9 2) What are hydrocarbons? - answer compounds that only contain hydrogen and
carbon
C9 3) What are alkanes? - answer saturated hydrocarbons
C9 4) What is the general formula for a alkane? - answer CnH(2n+2)
C9 5) What is the names of the first four alkanes? - answer methane. Ethane, propane
and butane
C9 6) What is the formula for methane? - answer CH4
C9 7) What is the formula for ethane? - answer C2H6
C9 8) What is the forumale for propane? - answer C3H8
C9 9) What is the formula for butane? - answer C4H10
C9 10) What do we mean by volatility? - answer the tendency to turn into a gas
C9 11) What do we mean by viscosity? - answer how easiliy it flows
C9 12) What do we mean by flammability? - answer How easy it burns
C9 13) What are fractions? - answer separated into hydrocarbons with similar boiling
points
C9 14) How does the size of a hydrocarbon affect its boiling point? - answer smallest
have the lowest boiling points
C9 15) How does the size of a hydrocarbon affect its volatility? - answer smallest have
higher volatility
C9 16) How does the size of a hydrocarbon affect its viscosity? - answer smallest
havest highest viscosity
,C9 17) How does the size of a hydrocarbon affect its flammability - answer smallest are
more flammable
How is fractional distillation used to separate crude oil - answer separated into fractions
and heated - oil heats and each condenses when it reaches its boiling point
C9 18) What is produced when hydrocarbons are burnt in a good supply of air? -
answer carbon dioxide and water
C9 19) How do you test that carbon dioxide is formed from combustion? - answer turns
limewater cloudy and the
C9 20) How do you test that water is formed from combustion? - answer water turns
blue cobalt chlroride paper pink
C9 21) What is also formed in incomplete combustion? - answer carbon monoxide
C9 22) Why is carbon monoxide formed in incomplete combustion? - answer not
enough oxygen to form carbon dioxide
C9 23) Why are larger hydrocarbon moleculesgo through the process of cracking? -
answer not as in high demand as the smaller ones
C9 24) What do we call the process where large molecules are broken down into
smaller ones? - answer cracking
C9 25) How does cracking work? - answer passing vapours over a hot catalyst or by
mixing them with steam and heat them to avery high temperature
C9 26) What are alkenes? - answer compounds containing double bonds (unsaturated)
C9 27) How do alkanes differ from alkenes? - answer double bonds
C9 28) How do you test for alkenes? - answer react with organ bromine water turning it
colourless
C10 1) What do all alkenes have? - answer C=C
C10 2) A family of organic compounds with the same function group is called a what? -
answer homologous
series
C10 3) What is the general formula for an alkene? - answer CnH2n
, C10 4) How do alkenes react with oxygen in air? - answer complete combustion forms
carbon dioxide and water
C10 5) Why are alkenes far more reactive than alkanes? - answer the double bond
C10 6) What is the chemical formula for ethene? - answer C2H4
C10 7) What is the chemical formula of propene? - answer C3H6
C10 9) What is the chemical formula of butene? - answer C4H8
C10 10) What is the chemica formula of pentene? - answer C5H10
C10 11) Draw a displayed formula when propene reacts with iodine - answer
C10 12) Draw a displayed formula when ethene reacts with steam. - answer
C10 13) Draw a displayed formula when buten reacts with chlorine - answer
C10 14) Nonene is an alkene with nine carbon atoms. Write its chemical formula. -
answer
C10 15) The homologous series of alcohols contains what functional group? - answer -
OH
C10 16) The homologous series of carboxylic acids contains what functional group? -
answer -
COOH
C10 17) The homologous series of esters contain what functional group? - answer -
COO-
C10 18) Draw a displayed formula for ethanol - answer
C10 19) Draw a displayed formula for ethyl ethanoate - answer
C10 20) Draw a displayed formula for butanoic acid - answer
C10 21) What are the names of the first four alcohols? - answer methanol, ethanol,
propanol and butanol
C10 22) What are the names of the first four carboxlyic acids? - answer methanoic
acid, ethanoic acid, propanoic acid and butanoic aci
Questions And Answers Verified 100% Correct
C9 1) What is crude oil? - answer many different compound - mostly hydrocarbons
C9 2) What are hydrocarbons? - answer compounds that only contain hydrogen and
carbon
C9 3) What are alkanes? - answer saturated hydrocarbons
C9 4) What is the general formula for a alkane? - answer CnH(2n+2)
C9 5) What is the names of the first four alkanes? - answer methane. Ethane, propane
and butane
C9 6) What is the formula for methane? - answer CH4
C9 7) What is the formula for ethane? - answer C2H6
C9 8) What is the forumale for propane? - answer C3H8
C9 9) What is the formula for butane? - answer C4H10
C9 10) What do we mean by volatility? - answer the tendency to turn into a gas
C9 11) What do we mean by viscosity? - answer how easiliy it flows
C9 12) What do we mean by flammability? - answer How easy it burns
C9 13) What are fractions? - answer separated into hydrocarbons with similar boiling
points
C9 14) How does the size of a hydrocarbon affect its boiling point? - answer smallest
have the lowest boiling points
C9 15) How does the size of a hydrocarbon affect its volatility? - answer smallest have
higher volatility
C9 16) How does the size of a hydrocarbon affect its viscosity? - answer smallest
havest highest viscosity
,C9 17) How does the size of a hydrocarbon affect its flammability - answer smallest are
more flammable
How is fractional distillation used to separate crude oil - answer separated into fractions
and heated - oil heats and each condenses when it reaches its boiling point
C9 18) What is produced when hydrocarbons are burnt in a good supply of air? -
answer carbon dioxide and water
C9 19) How do you test that carbon dioxide is formed from combustion? - answer turns
limewater cloudy and the
C9 20) How do you test that water is formed from combustion? - answer water turns
blue cobalt chlroride paper pink
C9 21) What is also formed in incomplete combustion? - answer carbon monoxide
C9 22) Why is carbon monoxide formed in incomplete combustion? - answer not
enough oxygen to form carbon dioxide
C9 23) Why are larger hydrocarbon moleculesgo through the process of cracking? -
answer not as in high demand as the smaller ones
C9 24) What do we call the process where large molecules are broken down into
smaller ones? - answer cracking
C9 25) How does cracking work? - answer passing vapours over a hot catalyst or by
mixing them with steam and heat them to avery high temperature
C9 26) What are alkenes? - answer compounds containing double bonds (unsaturated)
C9 27) How do alkanes differ from alkenes? - answer double bonds
C9 28) How do you test for alkenes? - answer react with organ bromine water turning it
colourless
C10 1) What do all alkenes have? - answer C=C
C10 2) A family of organic compounds with the same function group is called a what? -
answer homologous
series
C10 3) What is the general formula for an alkene? - answer CnH2n
, C10 4) How do alkenes react with oxygen in air? - answer complete combustion forms
carbon dioxide and water
C10 5) Why are alkenes far more reactive than alkanes? - answer the double bond
C10 6) What is the chemical formula for ethene? - answer C2H4
C10 7) What is the chemical formula of propene? - answer C3H6
C10 9) What is the chemical formula of butene? - answer C4H8
C10 10) What is the chemica formula of pentene? - answer C5H10
C10 11) Draw a displayed formula when propene reacts with iodine - answer
C10 12) Draw a displayed formula when ethene reacts with steam. - answer
C10 13) Draw a displayed formula when buten reacts with chlorine - answer
C10 14) Nonene is an alkene with nine carbon atoms. Write its chemical formula. -
answer
C10 15) The homologous series of alcohols contains what functional group? - answer -
OH
C10 16) The homologous series of carboxylic acids contains what functional group? -
answer -
COOH
C10 17) The homologous series of esters contain what functional group? - answer -
COO-
C10 18) Draw a displayed formula for ethanol - answer
C10 19) Draw a displayed formula for ethyl ethanoate - answer
C10 20) Draw a displayed formula for butanoic acid - answer
C10 21) What are the names of the first four alcohols? - answer methanol, ethanol,
propanol and butanol
C10 22) What are the names of the first four carboxlyic acids? - answer methanoic
acid, ethanoic acid, propanoic acid and butanoic aci
