Manish's car runs on CNG (Compressed Natural Gas). In case of a gas leak in the car, how would he identify it?

Options

A. He would be able to see black coloured gas in the car.
B. He would be able to smell a strong odour of rotten eggs.
C. He would be able to see dust particls floating inside the car.
D. He would be able to sense a bitter taste on his tongue inside the car.

Answer

To identify a gas leak in Manish's car that runs on CNG (Compressed Natural Gas), follow these steps:

### Step-by-Step Solution:

1. **Understanding CNG Properties**:
- CNG is primarily composed of methane, which is an odorless and colorless gas. This means that under normal circumstances, it is difficult to detect a leak just by looking or smelling.

2. **Addition of Mercaptan**:
- To make CNG detectable, a chemical called mercaptan is added. Mercaptan has a distinct smell that resembles that of rotten eggs. This addition is crucial for safety, as it allows individuals to detect gas leaks.

3. **Identifying the Leak**:
- If there is a gas leak in Manish's car, he would notice a strong odor similar to rotten eggs. This smell is a result of the mercaptan mixed with the CNG.

4. **Eliminating Other Options**:
- Since CNG is colorless, Manish would not see any colored gas.
- CNG is a cleaner fuel, so he would not see dust particles.
- There is no taste associated with CNG, so he would not be able to sense any taste on his tongue.

5. **Conclusion**:
- The most reliable way for Manish to identify a gas leak in his car is by smelling the strong odor of rotten eggs due to the presence of mercaptan.

### Final Answer:
Manish would identify a gas leak in his car by smelling a strong odor of rotten eggs.

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