Water soluble strong base. Alkalis feel soapy to touch, have pH above 7.0, and turn litmus paper blue. Strong alkalis (such as caustic soda) can cause severe burns.

Use alkali in a sentence

  • The alkali element involved in our solution was developed in our research and development lab by our top scientists available.

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  • I didn't wanna work with the alkali in Chemistry class because last time I spilled it all over the table.

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  • If there is a lot of alkali in your water at your factory you may need to filter it out before you do certain jobs.

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