Wednesday, July 25, 2012

Chemistry: What is Matter? Sample Exercise

My professor in my Chemistry subject gave us this kind of quiz that we have to categorized the the following samples to its respected columns.

The choices of the columns would be: Physical Change, Chemical Change, Element, Compound, Homogeneous and Heterogeneous

sodium bicarbonate, naphthalene freezes, combustion of gasoline, halo-halo, nail corrodes, chocolate biscuits, dried pants, rotten food, decaying leaves, sugar solution, ore, chunky peanut butter, salt and pepper,
red wine, forest fires, water boils at 100 degree Celsius, wax melts when heated, water scooped from a pond, polonium, dry ice, air, magnesium metal, mercury, wood


Just send me a comment for me to forward the answers to you. 

No comments:

Post a Comment