Thursday, December 1, 2011

Chem labrep

Group B

Test tube

Chemical

Observations

1

KOH

no visible rusting occurred; solution became murky green with dark blue precipitates

2

Na2CO3

nail became rusty, solution had 3 layer of colors: murky green-orange-murky green

3

KNO3

no visible rusting occurred; solution became murky green

4

HNO3

nail became rusty, solution had 2 layers of colors: blue green- murky green, with dark blue precipitates

5

distilled H2O

solution had 3 layers of colors: blue-orange-blue ( not sure kung naging rusty yung nail, will check pa :D)


OH YEAH.

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