colours in Chemistry Flashcards
What is the colour of universal indicator in strong alkali?
blue/purple
What is the colour of sodium in the flame test?
yellow/orange
What is the colour of lithium in the flame test?
red
What is the colour of fluorine gas?
yellow
What is the colour of universal indicator in a neutral solution?
green
What is litmus paper in an acidic solution?
red
What is the colour of solid iodine?
dark grey/black
What is the colour of universal indicator in a strong acid?
red
What is the colour of phenolphthalein indicator in an acid?
colourless
What is the colour of bromine liquid?
orange/brown
What is the colour of litmus paper in an alkaline solution?
blue
What is the colour of chlorine gas?
green
What is the colour of a precipitate of copper hydroxide?
blue
What is the colour of phenolphthalein indicator in an alkaline solution?
pink
What is the colour of iron(ll)hydroxide precipitate?
green
What is the colour of iron(lll)hydroxide precipitate?
orange/brown
