Alcohol for running automobiles is

Options

A. Ethyl alcohol
B. Methyl alcohol
C. Both A and B
D. Butyl alcohol

Answer

To answer the question "Alcohol for running automobiles is," we need to analyze the options provided and understand the types of alcohol used as fuels in automobiles.

### Step-by-Step Solution:

1. **Identify the Types of Alcohol**: The question lists four types of alcohol:
- A) Ethyl alcohol (ethanol)
- B) Methyl alcohol (methanol)
- C) Both A and B
- D) Butyl alcohol

2. **Understand the Use of Alcohol in Automobiles**:
- Ethanol (ethyl alcohol) is widely used as a fuel in automobiles. It can be produced through the fermentation of sugar.
- Methanol (methyl alcohol) is also used as a fuel and can be produced from natural gas.

3. **Check the Properties of Alcohols**:
- Both ethanol and methanol have high octane ratings, which means they can withstand high compression in internal combustion engines, making them suitable for use as fuels.

4. **Conclusion on the Options**:
- Since both ethanol and methanol are used as fuels for running automobiles, the correct answer is option C, which states "both A and B."

### Final Answer:
The correct answer is **C) Both A and B**.

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