Indicators

Question 1

What colour does litmus go

Answer 1

red for acid, blue for alk

Question 2

What colour does Methyl Orange go

Answer 2

red for acid, yellow for alk

Question 3

What colour does Pheno go

Answer 3

colourless for acid, pink for alk

Question 4

How to investigate neutralization

Answer 4

Universal indicator, dip hcl acid on, then add more calcium hydroxide, repeat steps

Question 5

How to prep hydrated copper sulphate crystals

Answer 5

sulfuric acid, heat in bath, add copper oxide, swirl and add more, filter, evaporate, leave

Question 6

How to make insoluble salt

Answer 6

lead nitrate and potassium iodiine, then filter