1/7
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
What do acids form once dissolved in aqueous solutions?
H+ (Hydrogen ions)
What do alkalis form once dissolved in aqueous solutions?
OH- (hydroxide ions)
What is a base?
A substance that will neutralise an acid; combines with H+ ions
Which colours does Litmus Paper change to?
Acid = Red
Alkali = Blue
Which colours does Methyl Orange change to?
Acid = Red
Alkali = Orange/Yellow
Which colours does Phenolphthalein change to?
Acid = Colourless
Alkali = Pink
Why is do the indicators not tell the exact pH?
Specific indicators for acid and alkali; change at set values