chem, basic clearing up qs (1 Viewer)

[iambored]

i checked the dot point on assess the evidence about SO2 and NO2 i think it is, in the air
answer - industrial revolution stuff

i also checked the need for a catalyst in the dehydration
i think the answer was already posted here but it's just that in the reaction the catalyst soaks up the water, and so forces the forward reaction

does the most reactive metal ALWAYS give out electrons? yes

 

[Azn fairies]

are the lines open till 10?..anyway how long do u have to wait till soemone takes to u??(are the lines huge?)

 

[iambored]

yeah open till ten (on mon-fri i think), i had to wait about 5 mins or so, they put on this really crap music while u r on hold!! hahaha, i thought they'd choose something ok, since they r dealing with teens, they must want to turn us away