Crossword puzzle 2

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Across
  1. 1. gas evolved when zinc reacts with diluted HCl
  2. 4. site of photosynthesis in the leaf
  3. 7. mode of nutrition in fungi
  4. 8. device that measures current in circuit
  5. 9. reaction in which energy is given out
Down
  1. 2. reddish brown powder on iron articles
  2. 3. device that convert chemical energy into electrical energy
  3. 5. scale used to measure acidity and alkalinity
  4. 6. commercial unit of electric energy
  5. 10. the process by which root absorbs water