Which of the following is a sulphide ore ?
1) Haematite 2) Bauxite
3) Cinnabar 4) Magnetite

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Solution

Out of these, cinnabar is a sulphide ore which is HgS. others are oxide ores.

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1. Pyrolusite 2. Bauxite . 3. haematite

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Q. Match List-I with List-II

List-I	List-II
(a) Haematite	(i) Al₂O₃. xH₂O
(b) Bauxite	(ii) Fe₂O₃
(c) Magnetite	(iii) CuCO₃. Cu(OH)₂
(d) Malachite	(iv) Fe₃O₄

Choose the correct answer from the options given below:

Match the following iron ores with their formulae.

$\begin{matrix} Name of ore & Formula i) Magnetite & a) F e_{2} O_{3} ii) Haematite & b) F e S_{2} iii) Spathic iron ore & c) F e C O_{3} iv) Iron pyrite & d) F e_{3} O_{4} \end{matrix}$

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Which of the following is a sulphide ore ?1) Haematite 2) Bauxite3) Cinnabar 4) Magnetite

Out of these, cinnabar is a sulphide ore which is HgS. others are oxide ores.

Which of the following is a sulphide ore ?
1) Haematite 2) Bauxite
3) Cinnabar 4) Magnetite