Find the incorrectly matched pair?Column-I (O | vedclass

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(B) The correct chemical compositions of the given ores are as follows:$1$. Sylvine: $KCl$ (Potassium ore)$2$. Malachite: $Cu(OH)_2 \cdot CuCO_3$ (Cop

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$B$. Malachite $-$ Magnesium

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(B) The correct chemical compositions of the given ores are as follows:$1$. Sylvine: $KCl$ (Potassium ore)$2$. Malachite: $Cu(OH)_2 \cdot CuCO_3$ (Copper ore)$3$. Cinnabar: $HgS$ (Mercury ore)$4$. Fluorite (Fluorspar): $CaF_2$ (Calcium ore)Comparing these with the given options,the pair $B$ (Malachite $-$ Magnesium) is incorrectly matched,as Malachite is an ore of Copper,not Magnesium.

List-$I$	List-$II$
$(a)$ Sphalerite	$(i)$ $FeCO_3$
$(b)$ Calamine	$(ii)$ $PbS$
$(c)$ Galena	$(iii)$ $ZnCO_3$
$(d)$ Siderite	$(iv)$ $ZnS$

Find the incorrectly matched pair?
Column-$I$ (Ores) Column-$II$ (Metals)
$A$. Sylvine Potassium
$B$. Malachite Magnesium
$C$. Cinnabar Mercury
$D$. Fluorite (Fluorspar) Calcium

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Pyrolusite is an ore of ......... type.

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Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$ Sphalerite $(i)$ $FeCO_3$

$(b)$ Calamine $(ii)$ $PbS$

$(c)$ Galena $(iii)$ $ZnCO_3$

$(d)$ Siderite $(iv)$ $ZnS$

Choose the correct answer from the options given below:

Ferrosoferric oxide is known as .....

Which of the following set of elements mostly occur as sulphide ores?

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Column-$I$ (Ores)	Column-$II$ (Metals)
$A$. Sylvine	Potassium
$B$. Malachite	Magnesium
$C$. Cinnabar	Mercury
$D$. Fluorite (Fluorspar)	Calcium

Find the incorrectly matched pair?Column-$I$ (Ores)Column-$II$ (Metals)$A$. SylvinePotassium$B$. MalachiteMagnesium$C$. CinnabarMercury$D$. Fluorite (Fluorspar)Calcium