1P15,
In this chapter, we were asked to seperate a mixture of sand and water. First, we mixed the two items then we poured it into a filter paper which was shaped like an eight-sided star. Then the sand got stuck at the filter water while the water flowed throw easily. We purified the water! It was pretty cool as the filter water looked like a normal piece of paper, yet water flowed through so easily. I tried it with my A4 paper and the paper got wet... WASTED.
This chapter was very cool, check out 1P16!
1P16,
Today is the day, we got to use a CHROMATOGRAPHY PAPER! Its a normal paper used to separate ink. Firstly, we drew a dot using ink on the end of the chromatography paper, it was 3cm away from the end actually. We then put the chromatography into a test-tube with boiling water and ethanol to a depth of 2cm. The ink will then separate into many colours like yellow and green. Surprisingly the blue ink have so many colours in it. Then we discussed with some food colouring, we used m'n'm, the chocolate.
At home, I did not have a chance to get both ethanol and chromatography paper so I did not do any experiment :#!
No comments:
Post a Comment