Question

Impurities present in an ore are called

• A. Flux
• B. Gangue
• C. Alloy
• D. Slag

Hint:

Gangue is the waste material found in ore, while flux is used in the extraction process to separate it.

Answer 1

The Correct Option is B

Step 1: Define flux, gangue, alloy, and slag.
- Flux is a substance used to help in the extraction of metals, like in smelting. - Gangue refers to the unwanted minerals or impurities that are found in ore. - Alloy is a mixture of two or more metals. - Slag is the byproduct formed when impurities are separated from ore.
Step 2: Identify the correct term for ore impurities.
The impurities in ores are typically known as gangue.
Final Answer: \[ \boxed{\text{Gangue}} \]