Calcium carbide (CaC2) has several industrial and practical applications due to its unique chemical properties. Here are its primary uses:
# 1. **Production of Acetylene Gas**
- When calcium carbide reacts with water, it produces acetylene gas (C2H2), which is widely used in:
- **Welding and metal cutting**: Acetylene is a key fuel for oxy-acetylene torches.
- **Chemical synthesis**: Acetylene is used as a precursor for manufacturing plastics, synthetic rubbers, and other organic chemicals.
**Reaction**:
\[ CaC2 + 2H2O → C2H2 + Ca(OH)2 \]
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# 2. **Fertilizer Production**
- Calcium carbide reacts with nitrogen to form calcium cyanamide (CaCN2), which is used as a nitrogen