Chemistry

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Across
  1. 3. In which test the Phenolphthalein and methyl orange are used as a indicator?
  2. 5. Hard and sticky very firmly to the inner surface of the boiler?
  3. 7. Which is do not soften on heating?
  4. 8. Water purification process that uses a semipermeable membrane
  5. 10. Ion echange is also known as?
Down
  1. 1. Water that has >35,000 ppm of dissolved solids
  2. 2. Reduction occurs at?
  3. 4. EBT is used as?
  4. 6. In which polymerization takes place without elimination of simple molecules?
  5. 9. It is used for surface coating,paints, and molds for casting