PTY=D
14 years ago
lessons are crazy nowadays.. dreading..
latest #42
YPSS says
14 years ago
:-D tmr slack day for me :-) chem, hcl, la, math, pc o.o! 3 periods of LA and hcl each lol :S
PTY=D says
14 years ago
i got math ace pc chem la and hcl i don't want chem!!!
YPSS says
14 years ago
my chem one period. - close book pop quiz LOL ==
立即下載
YPSS says
14 years ago
calcium insoluble in hydroxide!! lead and _______ soluble in hydroxide! then use the potassium iodide to determine? OMG CORRECT ME.
PTY=D says
14 years ago
i totally dunno QA dun ask me!!!
PTY=D says
14 years ago
i want die liao!!! QA i don't get it
YPSS says
14 years ago
QA is easy. as long as you keep practise it :-) really!! is easiest out of all topics. dont need explain too much.
YPSS says
14 years ago
they just keep asking . what is this. what is that. give ionic equation w state symbols.
YPSS says
14 years ago
im quite good at it xD hahaa :-) i can help you
PTY=D says
14 years ago
i'm not good. i never memorise anything at all. the notes 11 pages...
YPSS says
14 years ago
barium nitrate -- sulfate! barium weird name. sulfate werid name too LOL
YPSS says
14 years ago
copper (11) - blue. Fe (ll) - green, Fe (lll) - red brown!
YPSS says
14 years ago
nitrate - aluminium foil(reducing agent) - ammonia gas! chloride - white ppt( like salt de colour!) with silver nitrate
YPSS says
14 years ago
iodide is yellow with silver nitrate (remember the experiment like glitter yellow ? )
YPSS says
14 years ago
others is the zinc, lead, aluminium, calcium!!
YPSS says
14 years ago
zinc (z so weird weird) soluble in NH3
YPSS says
14 years ago
then. calcium. relate to ourselves. so imba only soluble metal in NaOH
YPSS says
14 years ago
i mean, insoluble metal
YPSS says
14 years ago
n lead and aluminium solube in NaOH, insoluble in NH3. use the iodide! lead give yellow
YPSS says
14 years ago
omg!! i mean for iodide is add lead(ii) nitrate!! :S
YPSS says
14 years ago
gases: need remember chlorine and sulfur dioxide.
YPSS says
14 years ago
chlorine - THE ONLY HAVE COLOUR GAS - greenish yellow. SMELLY!!! bleaching agent!! turn litmus paper white.!
YPSS says
14 years ago
sulfur dixoide (acidic) put the potassium dichromate(remember)- the paper from orange to green!! orange is CASS fav colour.to my fav colour!
YPSS says
14 years ago
cobalt chloride paper! (CC!!) check water vapour
YPSS says
14 years ago
for hydrous salts.
YPSS says
14 years ago
JIAYOU :-D i just spammed this thing :-)
`JiaXin:). says
14 years ago
chimology~
PTY=D says
14 years ago
wah... jiaxin i agree hahas. i must go and memorise liao.. my pop quiz next wk.. i shall use this plurk to revise lols.
YPSS says
14 years ago
haha i know im pro :-) hahaha :-) i having practical tmr!!! oh no!
YPSS says
14 years ago
jiaxin: you will understand in year 3! :-)
YPSS says
14 years ago
patricia, i think this easier than acids bases salts o.o
`JiaXin:). says
14 years ago
D: i hate biooo. i think im gonna fail..
YPSS says
14 years ago
this is chem!! not bio!! bio quite nice lahh. just need remember terms :S
`JiaXin:). says
14 years ago
i having bio D:
YPSS says
14 years ago
we have it all year round LOl
`JiaXin:). says
14 years ago
smarties~
YPSS says
14 years ago
no lahh. =.= 8 class have triple science.
`JiaXin:). says
14 years ago
still.. the rest doesnt.
YPSS says
14 years ago
2 class take double science one human. one other class take double science double humans. last class is A level class.
`JiaXin:). says
14 years ago
ooh. only 11 classes? :-o
YPSS says
14 years ago
eh. ==
YPSS says
14 years ago
omg i mean 9 class triple science :-)
back to top