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Help needed for O' Levels.

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Assalamulaikum to all.
I have a few questions regarding Chemistry.
1-A short definition of how sulphur is changed into sulphur dioxide.Short as in, 1-1.5 line.
2-State an adverse effect of carbon monoxide on human health if it were to escape from the blast furnace.
3-State an ionic equation for the reaction between tin atoms and silver)I) ions. Indicate on the equation the change which is oxidation.
4-Is Aluminium used extensively in the manufacture of aircraft because of its low density?
5-Why do Aluminium cables have a steel core?

More coming soon.Till then, Shukran for your help, if any.
 
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Assalamulaikum to all
waalaikumussalam
1-A short definition of how sulphur is changed into sulphur dioxide.Short as in, 1-1.5 line.

simple oxidation . react sulfur with oxygen .

2-State an adverse effect of carbon monoxide on human health if it were to escape from the blast furnace.

The blast furnace isn't going to leak carbon mono-oxide . It's a furnace . It it were broken , carbon monoxide would be at the least of our problems . but for the sake of your question . It reacts with the haemoglobin in our red blood cells to form carboxyhaemoglobin , which prevents the red blood cell from absorbing oxygen and so causing breathing difficulties .

3-State an ionic equation for the reaction between tin atoms and silver)I) ions. Indicate on the equation the change which is oxidation.

Um tin will be oxidised , as it's oxidation state will increase .
Sn + Ag(+) ----> Sn(+) + Ag

4-Is Aluminium used extensively in the manufacture of aircraft because of its low density?

That and because it's looks pretty , and because when exposed to air it forms a protective layer of aluminium oxide which prevents it's further reaction with air .

5-Why do Aluminium cables have a steel core?

Aluminum is more reactive than Iron(main component of steel) and so would rust instead of protecting the steel cable inside. Actually , the aluminum will not rust at all , due to it's protective coating , thus protecting both itself and the steel inside .
 
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waalaikumussalam


simple oxidation . react sulfur with oxygen .



The blast furnace isn't going to leak carbon mono-oxide . It's a furnace . It it were broken , carbon monoxide would be at the least of our problems . but for the sake of your question . It reacts with the haemoglobin in our red blood cells to form carboxyhaemoglobin , which prevents the red blood cell from absorbing oxygen and so causing breathing difficulties .



Um tin will be oxidised , as it's oxidation state will increase .
Sn + Ag(+) ----> Sn(+) + Ag



That and because it's looks pretty , and because when exposed to air it forms a protective layer of aluminium oxide which prevents it's further reaction with air .



Aluminum is more reactive than Iron(main component of steel) and so would rust instead of protecting the steel cable inside. Actually , the aluminum will not rust at all , due to it's protective coating , thus protecting both itself and the steel inside .

1-You didn't understand the last question:I was asking why steel cores are used.
2-These are more or less of no use to me anymore until the end of 2013 since I gave my chem exam today.Thanks anyways.
 
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2-These are more or less of no use to me anymore until the end of 2013 since I gave my chem exam today.
nobody cares about your issues....
If you don't need help then don't make useless threads and ask for help.
 
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