Presentation on Hydrogen

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Across
  1. 2. In chemistry, a process for producing syngas by reaction of hydrocarbons with water.
  2. 4. In organic chemistry, a organic compound consisting entirely of hydrogen and carbon.
  3. 7. The farmer wants to improve the ... of his crops
  4. 8. those that absorb and emit infrared radiation in the wavelength range emitted by Earth.
Down
  1. 1. In chemistry, technique that uses direct electric current to drive an otherwise non-spontaneous chemical reaction.
  2. 3. Metal oxide rare on earth.
  3. 5. electrochemical cell that converts the chemical energy of a fuel and an oxidizing agent into electricity
  4. 6. concentrate on something