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Hussein Acids and bases

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Chemistry IGCSE Cambridge
Dr. Samah Fayez
Quiz 8
Acid & Base (9.1& 9.2)
Hussein Mohamed
Name: ----------------------------
Group: ----------------------------
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Chemistry IGCSE Cambridge
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Dr. Samah Fayez
Chemistry IGCSE Cambridge
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Dr. Samah Fayez
Chemistry IGCSE Cambridge
2
Dr. Samah Fayez
2LiI
2
H2
carbon
zinc
dioxide
iodide
2
MgI
2
water
H O
2
no more effervescence
magnesium carbonate
a solution in which no more solute will dissolve at this temperature
the solubility deceases as the temperature decreases
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Chemistry IGCSE Cambridge
mix and stir the two solutions
filter (to obtain residue)
wash (the residue) using water
dry the residue between filter papers / in a warm place
Pb2+(aq) + SO42- (aq)
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PbSO4(s)
Dr. Samah Fayez
Chemistry IGCSE Cambridge
green crystals
no reaction
white precipitate
green precipitate
green precipitate
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Dr. Samah Fayez
Chemistry IGCSE Cambridge
calcium
I Believe in you
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Dr. Samah Fayez
Chemistry IGCSE Cambridge
8|Page
Dr. Samah Fayez
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