titration

Question 1

phenolphthalein indicator colours

Answer 1

pink in alkali
colourless in acid and neutral

Question 2

methyl orange indicator colours

Answer 2

orange in acid
yellow in alkali and neutral

Question 3

percentage uncertainty equation

Answer 3

100 x ( uncertainty x number of measurements taken)/measurement

Question 4

bromothymol blue colours

Answer 4

yellow in acid
blue in alkaline

Question 5

methyl red colours

Answer 5

red in acid
yellow in alkali and neutral