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can someone answer these questions for me plz?
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hussel
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#1
describe and explain how petrol is separated from the mixtures of hydrocarbons in crude oil?
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
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holasenorita1
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ABand98
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#3
Is this your mock? There is no point in cheating on tests/homeworks, your just going to make your GCSEs even harder for yourself
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Pariah
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#4
(Original post by hussel)
describe and explain how petrol is separated from the mixtures of hydrocarbons in crude oil?
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
describe and explain how petrol is separated from the mixtures of hydrocarbons in crude oil?
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
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hussel
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#5
what are you guys on about?
for your information, this was not my test nor a homework. Don't call me a cheater when you don't even know me ok. i was revising and doing practise question, i answered the question but i didn't know if they were correct so that's why i asked.
for your information, this was not my test nor a homework. Don't call me a cheater when you don't even know me ok. i was revising and doing practise question, i answered the question but i didn't know if they were correct so that's why i asked.
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Paralove
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#6
(Original post by hussel)
what are you guys on about?
for your information, this was not my test nor a homework. Don't call me a cheater when you don't even know me ok. i was revising and doing practise question, i answered the question but i didn't know if they were correct so that's why i asked.
what are you guys on about?
for your information, this was not my test nor a homework. Don't call me a cheater when you don't even know me ok. i was revising and doing practise question, i answered the question but i didn't know if they were correct so that's why i asked.
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Cryptic_
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#7
Yeah, post your answers and we can help you. 
Mark schemes are all online btw with the exception of recent exam papers and mark schemes, these are only available to your teacher.
Mark schemes are all online btw with the exception of recent exam papers and mark schemes, these are only available to your teacher.
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hussel
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#8
(Original post by Cryptic_)
Yeah, post your answers and we can help you.
Mark schemes are all online btw with the exception of recent exam papers and mark schemes, these are only available to your teacher.
Yeah, post your answers and we can help you.
Mark schemes are all online btw with the exception of recent exam papers and mark schemes, these are only available to your teacher.
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chocolatesauce
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emski
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#10
why not google the question and find the answer and where the question was from. Worked for me when I was at high school.
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hussel
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#11
(Original post by chocolatesauce)
We might as well go to school instead of you!
We might as well go to school instead of you!
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hussel
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#12
(Original post by emski)
why not google the question and find the answer and where the question was from. Worked for me when I was at high school.
why not google the question and find the answer and where the question was from. Worked for me when I was at high school.
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Paralove
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#13
(Original post by hussel)
what is wrong with you! was i even talking to you! NO i wasn't! i do go to school at least i am not like you who is online for no reason and at least i do extra work unlike you!
what is wrong with you! was i even talking to you! NO i wasn't! i do go to school at least i am not like you who is online for no reason and at least i do extra work unlike you!
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hussel
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#14
(Original post by Paralove)
You're hardly going to get any help with that attitude.... Cheer up.
You're hardly going to get any help with that attitude.... Cheer up.
i have to defend myself when people calll me a cheater and ****z. which i am not.
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hussel
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#15
ok i have to go to revise. my main message to you guys are don't call anyone a cheater when you don't know why he/she is asking for the answers or papers. ok so Don't judge! and if you don't want to help then don't come up with some other crap
bye
Good luck with your test if your having them soon!
bye
Good luck with your test if your having them soon!
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chocolatesauce
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#16
(Original post by hussel)
what is wrong with you! was i even talking to you! NO i wasn't! i do go to school at least i am not like you who is online for no reason and at least i do extra work unlike you!
what is wrong with you! was i even talking to you! NO i wasn't! i do go to school at least i am not like you who is online for no reason and at least i do extra work unlike you!
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Solivagant
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egyptian_cleo
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#18
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#18
(Original post by hussel)
describe and explain how petrol is separated from the mixtures of hydrocarbons in crude oil?
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
describe and explain how petrol is separated from the mixtures of hydrocarbons in crude oil?
(it has diagram of the fractional distillation but i don't know how to upload it) 6 marks
2) hydrocarbons and calcuim carbonate conatin locked up carbon dixiode what is locked up carbon? 2 marks
3) one reason why is it diffcult to dispose waste rock? 1 mark
4) how does reaction in a furnace cause enviromental pollution? 2marks
5) Pure copper is produced by electrolysis of copper sulfate solution.
Which electrode do the copper ions move towards?
Give a reason for your answer. 2 marks
6) Crude oil is a mixture of many different chemical compounds.
3 (a) Fuels, such as petrol (gasoline), can be produced from crude oil.
3 (a) (i) Fuels react with oxygen to release energy.
Name the type of reaction that releases energy from a fuel. 1 mark
please help if anyone know where the mark shceme for june 2013 aqa science a chemistry unit 1 please show me the link thanks
xgoogle it
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