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प्रश्न
The calorific values of five fuels A, B, C, D and E are given below:
| A | 48KJ/g |
| B | 17KJ/g |
| C | 150KJ/g |
| D | 50KJ/g |
| E | 30KJ/g |
Which of the fuels could be : (i) cooking gas (ii) alcohol (iii) wood (iv) hydrogen (v) kerosene?v
उत्तर
| 1 | Cooking gas is D. |
| 2 | Alcohol is E. |
| 3 | Wood is B. |
| 4 | Hydrogen gas is C. |
| 5 | Kerosene is A. |
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