Explain the reaction of nitric acid with saw dust.

Explain the reaction of nitric acid with saw dust.

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- Saw dust contains compounds of carbon Hydrogen and oxygen.
Procedure:
- Some saw dust is heated in an evaporating dish and some few drops of concentrated nitric (V) acid on it (this is done in a fume cupboard)
Observation:
- A violent reaction occurs, the saw dust catches fire easily and a lot of brown fumes of nitrogen (IV) oxide given off.
- Nitric (V) acid oxidizes the compounds in saw dust to CO₂ and water; and itself it is reduced to nitrogen (IV) oxide and water.

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Kavungya answered the question on April 30, 2019 at 09:39

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