T ted New member Sep 14, 2009 #1 boiling point is physical red colour is physical tarnishing is chemical
T ted New member Sep 14, 2009 #2 boiling point is physical red colour is physical tarnishing is chemical
T ted New member Sep 14, 2009 #3 boiling point is physical red colour is physical tarnishing is chemical
T ted New member Sep 14, 2009 #4 boiling point is physical red colour is physical tarnishing is chemical
T ted New member Sep 14, 2009 #5 boiling point is physical red colour is physical tarnishing is chemical
F fasHioonisTa Guest Sep 14, 2009 #6 Consider the following properties 1.The boiling point of ethanol is 78 degrees Celcious 2.The red color ofrubies is due to the presence of chromium ions 3.Objects made of silver become tanished Which of these are physical?
Consider the following properties 1.The boiling point of ethanol is 78 degrees Celcious 2.The red color ofrubies is due to the presence of chromium ions 3.Objects made of silver become tanished Which of these are physical?
T ted New member Sep 14, 2009 #7 boiling point is physical red colour is physical tarnishing is chemical