Question

Iron: Its Latin name is (1) ferrum. It is magnetic and has a silvery colour. In prehistoric times it was used to make ornaments and weapons. If exposed to the (2)______, it oxidises.

(3)________: It is one of the most widely used metals by humans. In prehistoric times it was used to make cooking utensils, (4)_______ and ornamental objects. It is used in (5)_______ and cables.

(6)_______: It is the most (7)_______metal and is used to create precious jewellery. It is the most (8)________ metal.

(9)_________: It is an (10)_______ formed from iron and (11)_______. It can contain between 2.1% and 4% carbon. It is also used for (12)______ utensils and pans. Помогите пожалуйста

Answer 1

Ответ:

Iron: Its Latin name is (1)ferrum. It is magnetic and has a silvery colour. In prehistoric times it was used to make ornaments and weapons. If exposed to the (2)air, it oxidises.

(3)Copper: It is one of the most widely used metals by humans. In prehistoric times it was used to make cooking utensils, (4)coins and ornamental objects. It is used in (5)wires and cables.

(6)Gold: It is the most (7)expensive metal and is used to create precious jewellery. It is the most (8)ductile metal.

(9)Steel: It is an (10)alloy formed from iron and (11)carbon. It can contain between 2.1% and 4% carbon. It is also used for (12)cooking utensils and pans.