Question

What is a pair of tongs made from? Why?

Answer 1

Hint: Tongs are a kind of instrument that are used to grasp and move items instead of using the hands. Tongs come in a variety of shapes and sizes, each suited to a particular use. Tongs with long arms that terminate in small flat circular ends which are pivoted at a joint near the handle and are used to handle fragile items.

Complete answer:
Tongs with long arms that terminate in small flat circular ends which are pivoted at a joint near the handle and are used to handle fragile items. This is the kind of fire-tongs that are used to pick up bits of coal and place them on a fire without burning or dirtying fingers. Grilling tongs, lettuce tongs, and spaghetti tongs are all examples of the same style of kitchen utensil. They allow you to delicately shift, rotate, and transform the food, or fetch a full serving in one catch.
Tongs with a single bent metal ring, such as sugar tongs, most asparagus tongs (which are no longer common), and similar products. Silver sugar tongs with claw-shaped or spoon-shaped ends are used to serve lump sugar. Asparagus tongs are typically wider and have a band near the head that restricts how much the tongs can extend. Serving asparagus tongs first appeared in 18th-century England, followed by smaller variants for consuming asparagus in the 19th century.
 Metals like iron or aluminium are used to make tongs because they have high melting points and do not burn when used on fire.
Iron has both 3d and 4s electrons, which add to the sea of delocalized electrons, resulting in chemical bonding and hence a high melting point. Metals have more than one kind of bond.

Note:
The chemical element iron has the symbol Fe and the atomic number 26. It is a metal that belongs to the periodic table's first transition sequence and group 8. It is the most abundant substance on Earth by mass, just ahead of oxygen, and it makes up much of the planet's outer and inner core.