this was a fun nd informative quiz thanks larry!
Question 1;classify the following as chemical or physical.
burning wood physical
crushing rock physical
dissolving sugar in water physical
the rusting of iron chemical
2
classify as pure substance or mixture
milk mixture
table salt mixture
sugar pure substace
steel mixture
3
a cup of black coffee is homogenous and pure
4
the boiling of water is physical and physical
Monday, January 25, 2010
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