An Blank 1 Question 9 contains high proportion of extractable metal relative to nonmetallic elements.

An ore is a Blank 1 Question 8 that contains enough metal which can be economically extracted.

10._______ have properties which are between metals and non-metals

Which of the following only contain non- metals?

Discuss the application of following in extraction of metals. Support your answer with suitable examples [3] [15] a. Blast furnace b. Pre-dominance area diagram c.Fluidized bed roasting

Which of the following elements is likely to exhibit the most metallic character?Group of answer choicesPotassiumCarbonSiliconPhosphorus