Neutrals and Indicators Flashcards
Indicators do what?
Indicators indicate whether something is an acid or an alkali.
What is a neutral solution?
A neutral solution forms when a base and an acid combine.
What is the name of the electronic device that measures pH?
pH meter.
Name two indicators.
Two of Litmus Paper, Universal indicator, pH meter
Name a natural neutral solution.
Water
Name a homemade indicator?
Red cabbage
Why is the pH meter different from the universal indicator? Give two reasons.
The pH meter is electronic and it measures using the pH, not the colour.
What is the pH for a neutral solution?
7-7.9pH
If an indicator turned red it would be a…
Strong acid
If an indicator turned blue it would be a…
Weak base
If an indicator turned green it would be a…
Neutral solution.
Acid + Base =
Salt + Water
Potassium Hydroxide + Nitric Acid =
Potassium Nitrate + Water