Reactions

123456789
Across
  1. 3. ph7
  2. 6. higher than ph 7
  3. 7. lower than ph 7
  4. 9. don’t look up
Down
  1. 1. a distinct compound or substance
  2. 2. this is ph7
  3. 4. something that is human-made
  4. 5. a reaction when acids and alkali reacts together
  5. 8. a cause