Acid and Base Crossword Puzzle

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QUESTIONS LIST:

  • litmus : an indicator.
  • ph scale : shows whether a substance is acidic, alkaline, or neutral.
  • acid : a solution with a ph value less than 7.
  • universal indicator : changes colour to show the ph of a solution.
  • blue litmus : paper goes red on adding acid.
  • red litmus : paper goes blue on adding alkali.
  • base : a substance that neutralises an acid.
  • indicator : changes colour to show whether a solution is acidic or alkaline.
  • neutralisation : an acid cancels out a base or a base cancels out an acid.
  • concentrated : has a large number of solute particles per unit volume
  • neutral : a solution that is neither alkaline nor acidic. its ph is 7.
  • alkali : a soluble base.
  • dilute : has a small number of solute particles per unit volume
  • corrosive : it can burn your skin or eyes.