SAINS TINGKATAN 2
: Science is fun ;)
Thursday, 26 May 2011
How to test the presence of water??
Boiling point and freezing/ melting point
is one of the test to determine the presence of water.
Other than that, we can use ;
1. anhydrous
cobalt chloride
paper - change from
BLUE
to
PINK
2. anhydrous
copper sulphate
- change from
WHITE
to
BLUE
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