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sodium hydroxide Definition

sodium hydroxide

noun

a white, deliquescent substance, NaOH, in the form of a powder, flakes, sticks, etc.: it is a strong caustic base, widely used in chemistry, oil refining, etc.

sodium hydroxide Usage Examples

Converse of object

  • dilute: The color change is brought about by spraying with dilute sodium hydroxide.
  • contain: Textiles These contain sodium hydroxide, acids and dyes which have severe inhibiting effects on treatment.
  • use: How is sodium hydroxide used in the production of soap?

Adjective modifier

  • aqueous: Further impurities are removed using aqueous sodium hydroxide to neutralize free acids and steam which removes volatile compounds.
  • 2m: Now add 2M sodium hydroxide, drop by drop, noting any color change.
  • acid: Other ingredients are disodium hydrogen phosphate; phosphoric acid and/or sodium hydroxide may have been added for pH adjustment.
  • much: In the second case ( using twice as much sodium hydroxide ), both have reacted.

Modifies a noun

  • solution: The acidic nature of the oxides All of these oxides also react with bases like sodium hydroxide solution.

Noun used with modifier

  • and/or: Other ingredients are disodium hydrogen phosphate; phosphoric acid and/or sodium hydroxide may have been added for pH adjustment.