knol2go knol
Alkali
jiǎn


An alkali is an electrolyte (aqueous solution) which contains hydroxide ions (OH- anions). 

Alkalis have a 
pH value of greater than 7. As such, an alkali

o    turns litmus paper from red to to blue
o    does not change the yellow methyl orange indicator (methyl orange is yellow when neutral)
o    turns pink with the phenolphthalein indicator
o    shows the colour of blue / violet when tested with universal indicator  

Physical Properties
o    tastes bitter
o    feels slippery

Chemical properties
o    alkalis do not react with metals to produce 
salt and hydrogen gas
o    alkalis react with an acid to produce salt and water

See also 

sodium hydroxide strong alkali
aqueous ammonia 
weak alkali
acids


If this knol is helpful, please Like and Share it. Thanks.


Share this page via Whatsappknol2go knol

knol2go knolknol2go knolsemail usweibo/knol2gofacebook.com/knol2gotwitter.com/knol2goknol2go knolsknol2go knol
knol2go knol

NotaKita.com
Alkali
jiǎn


Sekira knol ini memanfaatkan anda, sila tekan Like dan Kongsikannya. Terima kasih.


Kongsikan laman ini melalui Whatsappknol2go knol

knol2go knolknol2go knolsemail usweibo/knol2gofacebook.com/knol2gotwitter.com/knol2goknol2go knolsknol2go knol