Qualification > Sciences
Chemistry paper 1 help
irfanhajimohamed:
i got this mnemonics from my chemistry teacher
popular scientist can make a zoo in the low humidity countryside more satisfactory.Goodbye.
potassium
sodium
calcium
magnesium
aluminium
zinc
iron
tin
lead
hydrogen
copper
mercury
silver
gold
OILRIG
Oxidation Is Loss(of electrons) Reduction Is Gain(of electrons)
got this from somewhere in the forum
Rolling------Refinery gas
Guns-------Gasoline
Nearly------Naphtha
Killed-------Kerosene
Drunk-------Diesel oil
Funny------Fuel oil
Limping-----Lubricating oil
Robber------Residue
for cations reactivity series:
please-K
send-Na
cats-Ca
monkeys-Mg
and-Al
zebras-Zn
in-iron
large-lead
hired-H
cages-Cu
make-Hg
sure-Ag
padlocked-platinum
for anions:
someone -sulphate
only-hydroxide(gives oxygen on oxidation)
nice-nitrate
cleans-chloride
broken -bromide
items-iodide
The Golden Girl =D:
--- Quote from: weaam on May 24, 2010, 05:07:28 pm ---Is there anything else you think i should know about paper 1? ???
--- End quote ---
study priciples like hydration of ether ,periodic table ..etc .....but don't take much time , waste ur time solvin past papers even if ur hands hurts :P
red_911:
hey plzz explain question 24 (0620/01/O/N/07)
The Golden Girl =D:
--- Quote from: red_911 on May 24, 2010, 05:15:57 pm ---hey plzz explain question 24 (0620/01/O/N/07)
--- End quote ---
in the halognes ....as u go down the group ,the reactivity decreases hence , Br is the big bro it'll kick Iodine's butt .....but chlorine will kick Bromine's As* lol :P
holtadit:
--- Quote from: the golden girl on May 24, 2010, 05:19:16 pm ---in the halognes ....as u go down the group ,the reactivity decreases hence , Br is the big bro it'll kick Iodine's butt .....but chlorine will kick Bromine's As* lol :P
--- End quote ---
LMFAO !!!!! :D :D :D
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