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Which of the following statements is incorrect?
- a)Precious metals like gold and platinum are used for making jewellery.
- b)Dentists use powdered pumice for polishing our teeth.
- c)Black gold is another name of granite.
- d)Shale is used to make tiles and bricks.
Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is incorrect?a)Precious metals like ...
Black gold is another name of oil or petroleum. It is black when it comes out of ground and is worth a great deal of money.
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Which of the following statements is incorrect?a)Precious metals like ...
Black gold is another name of oil or petroleum. It is black when it comes out of ground and is worth a great deal of money...
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Which of the following statements is incorrect?a)Precious metals like ...
The incorrect statement among the given options is option C: "Black gold is another name for granite." This statement is incorrect because black gold is not another name for granite.
**Explanation:**
1. **Precious metals like gold and platinum are used for making jewelry.**
- This statement is correct. Precious metals such as gold and platinum are commonly used in the making of jewelry due to their durability, shine, and value.
2. **Dentists use powdered pumice for polishing our teeth.**
- This statement is also correct. Dentists often use powdered pumice, a volcanic rock, for polishing teeth. Pumice is a gentle abrasive material that helps remove stains and plaque from the surface of teeth.
3. **Black gold is another name for granite.**
- This statement is incorrect. Black gold is not another name for granite. Granite is a type of igneous rock primarily composed of quartz, feldspar, and mica. It is widely used as a construction material, particularly for countertops and flooring. On the other hand, black gold typically refers to oil or petroleum, which is a fossil fuel.
4. **Shale is used to make tiles and bricks.**
- This statement is correct. Shale is a type of sedimentary rock that is easily split into thin layers. It is commonly used in the construction industry for making tiles and bricks. Shale's ability to break into thin, flat pieces makes it suitable for these applications.
Therefore, the correct answer is option C: "Black gold is another name for granite."
**Explanation:**
1. **Precious metals like gold and platinum are used for making jewelry.**
- This statement is correct. Precious metals such as gold and platinum are commonly used in the making of jewelry due to their durability, shine, and value.
2. **Dentists use powdered pumice for polishing our teeth.**
- This statement is also correct. Dentists often use powdered pumice, a volcanic rock, for polishing teeth. Pumice is a gentle abrasive material that helps remove stains and plaque from the surface of teeth.
3. **Black gold is another name for granite.**
- This statement is incorrect. Black gold is not another name for granite. Granite is a type of igneous rock primarily composed of quartz, feldspar, and mica. It is widely used as a construction material, particularly for countertops and flooring. On the other hand, black gold typically refers to oil or petroleum, which is a fossil fuel.
4. **Shale is used to make tiles and bricks.**
- This statement is correct. Shale is a type of sedimentary rock that is easily split into thin layers. It is commonly used in the construction industry for making tiles and bricks. Shale's ability to break into thin, flat pieces makes it suitable for these applications.
Therefore, the correct answer is option C: "Black gold is another name for granite."
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Which of the following statements is incorrect?a)Precious metals like gold and platinum are used for making jewellery.b)Dentists use powdered pumice for polishing our teeth.c)Black gold is another name of granite.d)Shale is used to make tiles and bricks.Correct answer is option 'C'. Can you explain this answer?
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