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Short "hint"

n. - Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; A mixture of soluble salts found in arid soils and some bodies of water.

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Usage examples (35)
  • Adding an alkali to the water will cause the pH value to rise.
  • Around 1990 Wieman drew up guidelines for how BEC could be achieved in alkali atoms.
  • On the extreme left there is a group of metals, called the alkali metals.
  • Strontium belongs to a group of elements known as the alkali earth metals.
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