Which of the following metal – ore pairs is correct?a)Mercury - Cinna...
The correct answer is option 1, i.e. Mercury - cinnabar.
A list of important metals with ores are as follows:
View all questions of this test
Which of the following metal – ore pairs is correct?a)Mercury - Cinna...
Correct answer: a) Mercury - Cinnabar
Explanation:
The correct metal-ore pair is Mercury - Cinnabar.
- Mercury is a metal that is found in the earth's crust. It is a heavy, silvery-white liquid at room temperature and is commonly known as quicksilver.
- Cinnabar is the principal ore of mercury. It is a red mineral that is composed of mercury sulfide (HgS). Cinnabar is the most common source of mercury and has been used for thousands of years as a pigment, in jewelry, and in traditional medicine.
Incorrect options:
b) Uranium - Bauxite:
- Uranium is a radioactive metal that is used as a fuel in nuclear power plants and in the production of nuclear weapons.
- Bauxite is an ore of aluminum and is the main source of aluminum worldwide. It is not associated with the extraction of uranium.
c) Sodium - Galena:
- Sodium is a highly reactive metal that is commonly used in the production of sodium hydroxide, sodium carbonate, and other chemicals.
- Galena is an ore of lead and is the primary source of lead worldwide. It is not associated with the extraction of sodium.
d) Lead - Hematite:
- Lead is a heavy metal that is commonly used in batteries, pipes, and ammunition.
- Hematite is an iron ore and is the most important source of iron worldwide. It is not associated with the extraction of lead.
In conclusion, the correct metal-ore pair is Mercury - Cinnabar.