The metal which can be extracted simply by heating the cinnabar ore in air is:

81 The metal which is always present in an amalgam is : 82 Manganese metal is extracted from manganese dioxide by a reduction process by making use of: 84 During galvanization, iron metal is given a thin coating of one of the following metals. This metal is: 85 Which of the following metals are extracted by the electrolysis of their molten chlorides?