Changes of matter

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Across
  1. 4. Something that is made from mixing other substances.
  2. 5. Slippery to touch, tastes bitter, turn red litmus paper blue.
  3. 6. A substance that changes during reaction.
  4. 7. (of a reaction or process) accompanied by or requiring the absorption of heat.
  5. 8. reaction a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
  6. 9. Corrosive, sour tasting liquid.
Down
  1. 1. (of a reaction or process) accompanied by the release of heat.
  2. 2. physical substance in general, makes up everything.
  3. 3. Chemical process where substances act mutually on each other and undergoes change
  4. 8. The process of burning something.