Difference between revisions of "Litmus Paper"
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Revision as of 08:51, 29 September 2018
Key Stage 3
Meaning
Two pieces of litmus paper dipped in an acid showing the red litmus stayed red but the blue litmus turned red.
Litmus paper is a piece of paper coloured with a dye that turns red in acid and blue in alkali.
About Litmus Paper
- Litmus paper comes in two colours: Red and Blue.
- Litmus Paper is a very simple indicator as it can only tell if something is acid or alkali but it cannot tell the exact pH of a solution.
- Litmust Paper cannot be used on a base unless it is in solution.
- When red litmus is placed in an acid it stays red.
- When red litmus is placed in an alkali it turns blue.
- When red litmus is placed in a neutral solution it stays red.
- When blue litmus is placed in an alkali it stays blue.
- When blue litmus is placed in an acid it turns red.
- When blue litmust is placed in a neutral solution it stays blue.