MCQ
The critical temperature of $CO_2$ is ………..
- A-31°C
- B-13°C
- ✓31°C
- D13°C
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| Column-I | Column-II |
| A. Batyl hydroxy toluene | 1. Soap |
| B. Saccharin | 2. Antioxidant |
| C. Sodium salt of higher fatty acid | 3. Detergent |
| D. Sodium salt of alkyl benzene sulphonic acid | 4. Artificial sweetness |