Denaturated alcohol is commonly known as:

Options

A. Methanol
B. Methylated spirit
C. Ethylated spirit
D. Cordite

Explanation

To answer the question "Denaturated alcohol is commonly known as:", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Denatured Alcohol**:
- Denatured alcohol is ethanol that has been treated with additives to make it unfit for human consumption. This is done to avoid taxes and regulations that apply to alcoholic beverages.

2. **Common Names**:
- Denatured alcohol is commonly referred to as "methylated spirit" or "wood spirit". These names indicate that the alcohol has been modified.

3. **Identifying the Correct Option**:
- Among the options provided, the correct name for denatured alcohol is "methylated spirit".

4. **Toxicity and Additives**:
- Denatured alcohol is toxic and has a foul smell, which discourages consumption. Common additives include isopropyl alcohol and pyridine, which contribute to its bitterness and unpleasant odor.

5. **Uses of Denatured Alcohol**:
- It is widely used as a solvent and as a fuel for alcohol burners and camping stoves.

### Final Answer:
Denaturated alcohol is commonly known as **methylated spirit**.

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