Acid,bases and salts

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Across
  1. 4. vanilla essence is example of this indicator
  2. 5. bitter in taste soapy in touch
  3. 6. widely used natural indicator
  4. 7. gives h+ ions when dissolved in Water
Down
  1. 1. salts nature
  2. 2. soluble base
  3. 3. h2o
  4. 7. nature of non metalic oxides