0620 Chemistry Paper 6 HELP!!

[LovelyNimmy]

hey guys
i got chemistry re-sits soon
so i have a doubt in planing an experiment.
i've tried but gets wrong.
if u got any help material or any advice please share with me.

thanks

 

[SarahCh8]

Can we please discuss the paper 62?
What was the answer for (Why is crucible heated thrice?)
I wrote ( for accuracy, and maybe some calcium was left unreacted before or there might have been an error in weighing before. )
Is it correct? :S

 

[LovelyNimmy]

SarahCh8
well for this Q i wrote " For accuracy and to provide better conclusions"
how u calculated the mass of calcium oxide reacted at 0.7 g??

thanks zash riyash
Well don't know much about zones yet but i stay in kuwait & so it was in the morning session 11am

 

[Hamzeh S]

SarahCh8
well for this Q i wrote " For accuracy and to provide better conclusions"
how u calculated the mass of calcium oxide reacted at 0.7 g??

thanks zash riyash
Well don't know much about zones yet but i stay in kuwait & so it was in the morning session 11am

just by using the graph and finding the co-responding value