Atmosphere Flashcards
What colour is an acid in Methyl orange
Red
What colour is an acid in phenolphthalein
Colourless
What colour is an acid in red litmus’s paper
Red
What colour is an acid in blue litmuss paper
Red
What colour is an alkaline in methyl orange
Yellow
What colour is an alkaline in phenolphthalein
Pink
What colour is an alkaline in red litmus paper
Blue
What colour is an alkaline in blue litmus paper
Blue
What colour is something neutral in methyl orange
Yellow
What colour is something neutral in phenolphthalein
Colourless
What colour is something neutral in red litmus paper
Red
What colour is something neutral in blue litmus paper
Blue
What is 1 - 3 on the pH scale
Strong acid - e.g hydrochloric acid
What is 4-6 on the pH scale
Weak acid - sulphurous acid
What is 7 on the pH scale
Neutral - water