metals, non metals, minerals, ores, properties, uses - Category wise Question and Answer Practice Test with Solutions

Question : 21 [UDA/LDA (Mains) 2007]

Aluminium metal is obtained from

a) Graphite

b) Bauxite

c) Pitch blende

d) Argentite

Question : 22

The most abundant metal in the earth’s crust is -

a) aluminium

b) iron

c) copper

d) mercury

Question : 23 [NDA]

Which of the following is an element which never exhibits positive oxidation state in any of its compounds?

a) Chlorine

b) Fluorine

c) Oxygen

d) Carbon

Question : 24

Which of the following metals constitutes the alloy magnalium –

a) Al, Mg

b) Al, Cu

c) Al, Fe

d) Al, Mn

Question : 25 [PCS (Pre) 2007]

Bauxite is an ore of which of the following metals?

a) Copper

b) Aluminium

c) Iron

d) Silver