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Chemistry doubt

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Guys in the question for rate of reaction what is the reason for suspending the tube in the flask
 
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Hey come on if you are making fun then better dont interfere this really makes me angry
 
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i think
so u can control when to start the reaction :D
i dont know the question but by my experience i think this s the answer :D

hope it is correct :D
 
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Keeemoman said:
Hey come on if you are making fun then better dont interfere this really makes me angry

he doesnt understand the question , u better take back ur word coz even i dont understand.
the easiest way is to post the link and we will try to help u :D
 
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Keeemoman said:
okI understand but not with this reply this reply really makes me angry
http://www.xtremepapers.me/CIE/Cambridg ... 2_qp_6.pdf
3a
Please dont try the marking scheme
It is not clear
I need it Know
Hurry up...............

what reply???
(if ur talking about him forget it try to understand positive way)

ok the answer:
like i said to control the starting of the reaction.
)u dont want it to start when u are preparing but u can let loose later when u r ready)
in the m.s. it is written to not let Mg contact with the acid
it is also correct
now they accept both answer and similar answer

hope u got it :D
 
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when Potassium manganate is oxidised it turns from Purple to colourless if im not mistaken and thats how i would test for an oxidising/reducing agent but honestly im not sure.
 
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ok look ypur taking too long and i have the exam in 15 hours so im going to try and memorise some tests now and come back later so good luck finding the answer niggaz.
 
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