Qualification > Sciences

Chemistry Help needed!:-(

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astarmathsandphysics:
1 - cancels 1+

Naruto:
ummm...i thought that bcuz there are 2 hydrogen atoms on left side and 2 on right side thats why its not 2H+?
OH- + H+ ---> H2O

godfather93:
yup, what you just said is right!

Naruto:
hey guyz thanks for answering my question it had cleared my confusion, but i have some for question....hope you will answer them in a same way:)

Q: which is more accurate 'burette' or 'pipette' or 'measuring cylinder' ?

Q: What is the maximum range of all these three insturments?

Q: And sometime in the exam they give us a situation like..... '25 cm3 of acid is used, so which insrtument will be used to give an accurate measurement?

thanx:):)

hyebyekadal:
lol i need help in that too but i no pipette more acccurat thatn measuring cylinder.. also
OUt of this topic sorry but can anyone whos really good at IGCSE physics tell me how to prepare for p6??
I mean we never did like any experiment at school. Because um..  my teach is ,,um ahem//
nvm so can anyone tell me any good other site or something? my 1rst exam is p6 phy and on may 12th.
i hv study guide and tom duncan IGCSE phy...
so Thank You in advance!

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