Difference between revisions of "Alkali"
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===Meaning=== | ===Meaning=== | ||
An [[alkali]] is a [[Metal Hydroxide]] [[solution]] that has a [[pH]] more than [[Neutral (Chemistry)|7]]. | An [[alkali]] is a [[Metal Hydroxide]] [[solution]] that has a [[pH]] more than [[Neutral (Chemistry)|7]]. | ||
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+ | : [[Noun]]: '''Alkali''' | ||
+ | : [[Adjective]]: '''Alkaline''' | ||
===About Alkalis=== | ===About Alkalis=== |
Revision as of 17:17, 28 September 2018
Key Stage 3
Meaning
An alkali is a Metal Hydroxide solution that has a pH more than 7.
About Alkalis
- Alkalis can be an Irritant, Harmful or Corrosive and should be handled with care.
- Alkalis can be used to neutralise acids.
- Alkalis can be concentrated or dilute.
- Alkalis can be weak or strong which depends on the type of alkali and the concentration.
- Alkalis turn Litmus paper blue.
- Alkalis turn Universal Indicator blue, indigo and purple depending on the strength of the alkali.
Some common Alkalis you should know: