Denaturated alcohol is commonly known as:

Options

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

Explanation

**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 the taxes and regulations associated with alcoholic beverages.

2. **Purpose of Denaturing:**
The main purpose of denaturing alcohol is to allow it to be used for industrial and laboratory purposes without being subject to the same restrictions as consumable alcohol. This makes it cheaper and more accessible for use in various applications.

3. **Common Name for Denatured Alcohol:**
Denatured alcohol is commonly known as "methylated spirits." This term is used in many countries to refer to the mixture of ethanol and denaturing agents.

4. **Applications of Denatured Alcohol:**
Denatured alcohol is widely used as a solvent in laboratories, for cleaning purposes, and in the manufacture of various products. It is important to note that despite its name, it is not safe for consumption.

**Final Answer:**
Denatured alcohol is commonly known as "methylated spirits."

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