Chemistry - Analysing substances

1. Paper chromatography was used to find the composition of brown ink in a pen. The same liquid, paper and pen were used in each of the three experiments shown. They were started at different times, C first then B and finally A. Which of the following is a reason why is the ink dot above the level of the liquid in each beaker?
0/3 (0%)
2. Paper chromatography was used to find the composition of brown ink in a pen. The same liquid, paper and pen were used in each of the three experiments shown. They were started at different times, C first then B and finally A. Which of the following is what caused the dots of ink on the papers B and C to spread upwards?
0/3 (0%)
3. Paper chromatography was used to find the composition of brown ink in a pen. The same liquid, paper and pen were used in each of the three experiments shown. They were started at different times, C first then B and finally A. Which of the following is a reason why there were colours, other than brown, seen in B and C as the ink moved up the paper?
0/3 (0%)

Sign In To View All 3 Questions

Sign in or sign up in order to view resources on iRevise

Sign In Create An Account