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Acids/Bases
Question | Answer |
---|---|
Acids have a _______ sharp taste. Fill in missing word | Sour |
The pH scale measures what? | The strength of an acid or a base |
The pH scale ranges from what numbers? | 0-14 |
A substance below 7 on the pH scale is an _______? | Acid |
A substance that has a pH of 7 is said to be? | Neutral e.g. distilled water |
A substance that has a pH above 7 is called a? | Base |
Acid used to make sodium chloride | Hydrochloric acid |
Base used to make sodium chloride | Sodium hydroxide |
When an acid and a base react salt and what other substance is formed? | Water |
Used to tell when an acid has neutralised a base by changing colour | Indicator |
Used to hold the base during a titration | Conical flask |
Used to transfer the base to the flask | Pipette |
Used to hold the acid | Burette |
Gas formed when a metal reacts with an acid | Hydrogen |
Salt formed when zinc reacts with Hydrochloric acid | Zinc chloride |
Colour of litmus in an acid | Red |
Colour of litmus in a base | Blue |
Paper used to tell the pH of an acid or a base | Universal indicator paper |
Hydrogen burns with a | squeaky pop |