Which of the following is an ore of mercury metal?
(a) rock salt
(b) cinnabar
(c) calamine
(d) haematite

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Solution

(b) cinnabar
Cinnabar is an important ore of mercury. Its compound is mercury (II) sulphide ( $HgS$ ).

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Which of the following is an ore of mercury metal?
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An important ore of zinc metal is :
(a) calamine (b) cuprite (c) pyrolusite (d) haematite

Which metal can be extracted from each one of the following ores:

(a) bauxite (b) calamine (c) haematite.

For how many of the following ores calcinations is done during extraction of metals?___
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(b) Calamine
(c) dolomite
(d) bauxite
(e) zinc blende

Calamine ore can be used to extract one of the following metals. This metal is:
(a) copper (b) mercury (c) aluminium (d) zinc

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Which of the following is an ore of mercury metal? (a) rock salt (b) cinnabar (c) calamine (d) haematite

(b) cinnabar Cinnabar is an important ore of mercury. Its compound is mercury (II) sulphide (HgS).

Which of the following is an ore of mercury metal?
(a) rock salt
(b) cinnabar
(c) calamine
(d) haematite

(b) cinnabar
Cinnabar is an important ore of mercury. Its compound is mercury (II) sulphide ( $HgS$ ).