Which gas is in an antidote of Lewisite (a poisonous gas used in World War II):

Options

A. (a) Sarin gas
B. (b) MIC
C. (c) BAL
D. (d) Mustard gas

Explanation

To determine which gas serves as an antidote for Lewisite, we can analyze the options provided in the question step by step.

### Step 1: Understanding Lewisite
Lewisite is a chemical compound that was used as a chemical warfare agent during World War II. It is known for its toxic effects and requires an antidote for treatment in case of exposure.

### Step 2: Analyzing the Options
We have four options to consider:
- **A. Saline gas**: This is primarily a pesticide and does not serve as an antidote for Lewisite.
- **B. MIC (Methyl Isocyanide)**: This is also used as a pesticide and does not act as an antidote for Lewisite.
- **C. BAL (British Anti-Lewisite)**: This is specifically designed as an antidote for Lewisite poisoning.
- **D. Mustard gas**: While it is a chemical warfare agent, it is not an antidote for Lewisite.

### Step 3: Identifying the Correct Answer
From the analysis, we can conclude that the correct answer is:
- **C. BAL (British Anti-Lewisite)**

### Final Answer
The gas that serves as an antidote for Lewisite is **C. BAL (British Anti-Lewisite)**.