Match the terms in Column I with the relevant item in Column II.
| Column I | Column II | 
| A. Atomic hydrogen | 1. Atomic reactor | 
| B. Lithium aluminum hydride is used as | 2. Polar molecule | 
| C. Hydrogen chloride is a | 3. Recombines on metal surface to generate high temperature | 
| D. Heavy water is used in | 4. Reducing agent | 
Codes
| Options: | A | B | C | D | 
| 1. | 3 | 1 | 2 | 4 | 
| 2. | 3 | 4 | 2 | 1 | 
| 3. | 1 | 4 | 3 | 2 | 
| 4. | 4 | 1 | 3 | 2 | 
 
                    
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