:D

couldnt slp @ all ytd -.-
so todae morning , OBVIOUS black panda -.-
din wear contact cos i dunwna became panda (: going slp ealier lter <3
idk wat happen to my voice laaa -.- morning i wake up i tink its sitll ok
bt in sch i dk wat happen -.-
smelly jason call me monkey =..=
studied todae (: chem & phy & eng <3
giong for off center tml <3
shall slp longer tml :X

BBBBBB ! <3

aluminium
white ppt formed when + few drops of sodium hydroxide
dissolves in excess to give colourless solution when + excess sodium hydroxide
white ppt form when + few drops of ammonium
insoluble in excess when + excess ammonium

Ca
white ppt form when + few drops of sodium hydroxide
insoluble in excess when + excess sodium hydroxide
no ppt form when + few drops of ammonium
no ppt form when + excess ammonium

Cu
light blue ppt form when + few drops of sodium hydroxide.
insolubble in excess when + excess sodium hydroxide
light blue ppt form when + few drops of ammonium
dissolves in excess to give dark blue solution when + excess ammonium (the colour is nice ! <3)

memories tis jus nw for chem <3