IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Sciences => Topic started by: 6394 on May 17, 2010, 10:53:58 am

Title: chem last minute revision :P
Post by: 6394 on May 17, 2010, 10:53:58 am

share all the repetitive question wid answers here
Thanks evry1!!!
i wil add questions 2
:) :D  ;) :D ;D ::)

Title: Re: chem last minute revision :P
Post by: Adzel on May 17, 2010, 11:38:41 am

Here I got one:  :)

Explain one change that would be made to the experimental method to obtain more accurate results.

Change         ...............................................................................
Explaination   ...............................................................................

ANS: Repeat titration
        To get average and increase the accuracy

Title: Re: chem last minute revision :P
Post by: guMnam on May 17, 2010, 08:21:30 pm

Quote from: Adzel on May 17, 2010, 11:38:41 am

Here I got one:  :)

Explain one change that would be made to the experimental method to obtain more accurate results.

Change         ...............................................................................
Explaination   ...............................................................................

ANS: Repeat titration
        To get average and increase the accuracy

y repeat titration and not experiment...i m confused y is titration here

Title: Re: chem last minute revision :P
Post by: princess12 on May 17, 2010, 08:41:21 pm

if we have to write any precautions what we can write it plaese tell me fast
 ??? ??? ??? ??? ??? ??? ???
answer me fast

Title: Re: chem last minute revision :P
Post by: guMnam on May 17, 2010, 08:56:37 pm

Quote from: princess12 on May 17, 2010, 08:41:21 pm

if we have to write any precautions what we can write it plaese tell me fast
 ??? ??? ??? ??? ??? ??? ???
answer me fast

use gogels ..tie hairs using hair band....wear a lab coat ...for some q...do experiment in a well ventilated room...wear gloves...there are many it depends on the q actually which one is appropriate erite tht one

Title: Re: chem last minute revision :P
Post by: Vin on May 17, 2010, 10:49:28 pm

OKay guys BEST OF LUCK !!