Sunday, September 04, 2005
im blogging, with my chem txtbk infront of me.
wad kind of studying is this?
i must be slapped ! hehe.
well, but i did get my acid bases salt into my head !
okay lets see
sulphuric acid strong acid
sulphurous acid weak acid
carbonic acid weak acid
nitric acid strong acid
hydrochloric acid strong acid
phosphoric acid weak acid
ethanoic acid weak acid
citric acid weak acid !
alkalis: potassium hydroxide
sodium hydroxide
calcium hydroxide
aqueous ammonia
basic oxides: potassium oxide
sodum oxide
calcium oxide
acidic: carbon dioxide
sulphur dioxide
phosphorous(V) oxide
amphoteric: aluminium oxide
lead(II) oxide
zinc oxide
neutral: carbon monoxide
all nitrates are soluble, all chlorides are soluble except silver chloride, lead (II) chloride, mercury(II) chloride. all sulphates are soluble except barium sulphate, calcium sulphate and lead(II) sulphate. all carbonates are insoluble except sodium carbonate, pottasium carbonate, and ammonium carbonate.
metal + acid---> salt +hydrogen
metal oxide +acid---> salt + water
metal hydroxide + acid ----> water + salt
metal carbonate + acid----> salt + CO2 + water
ammonia salt + acid--->ammonia gas + salt+water
blahblah
correct? haha.
anw re-designed the shirt, which looks better now, well at least im happy with it=)
phew ! back to studying ! gotta lit wrkshp tml, and piano lessons ltr !im gna get scolding frm my tcher again ! din practise !=(
WHATEVER LA !
byebeye
