John
...ing the experiment was that the small black metal-like substances I noted earlier were in fact metals. They were attracted to a magnet which gave it away. Also, I noticed that while filtering the sand/salt substance, the solution that dripped from the funnel was clear, indicating that all of the sand was caught by the filter paper.When I received the unknown mixture, I noticed a lot of things about it before I even began the experiment. You could obviously tell that the substance was a mixture because you could visually pick out the different substances and colors contained in the mixture. For example, there was sand, a white grainy substance (probably salt), a black metal-like substance, and small chunks of a greyish substance. Another qualitative observation I made during the experiment was that the small black metal-like substances I noted earlier were in fact metals. They were attracted to a magnet which gave it away. Also, I noticed that while filtering the sand/salt substance, the solution that dripped from the funnel was clear, indicating that all of the sand was caught by the filter paper. When I received the unknown mixture, I noticed a lot of things about it before I even began the experiment. You could obviously tell that the substance...