What happens when butanoic acid is heated with soda-lime at 630 K ?
Is there any other acid which also gives the same product under similar
conditions. Write its name and the reaction involved .

Explanation

### Step-by-Step Solution

1. **Understanding the Reactants**:
- Butanoic acid (C₄H₈O₂) is a carboxylic acid with four carbon atoms.
- Soda-lime is a mixture of sodium hydroxide (NaOH) and calcium oxide (CaO) and is commonly used for de-carboxylation reactions.

2. **Heating Conditions**:
- The reaction is performed at a temperature of 630 K.
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