Q. Which of the following is not an iron ore ?
MHT CETMHT CET 2012
Solution:
S.No.
Ore
Formula
(a)
Malachite
$CuCO _{3} \cdot Cu ( OH )_{2}$
(b)
Haematite
$Fe _{2} O _{3}$
(c)
Siderite
$FeCO _{3}$
(d)
Limonite
$Fe _{2} O _{3} \cdot 3 H _{2} O$
Thus, malachite is not an ore of iron.
| S.No. | Ore | Formula |
|---|---|---|
| (a) | Malachite | $CuCO _{3} \cdot Cu ( OH )_{2}$ |
| (b) | Haematite | $Fe _{2} O _{3}$ |
| (c) | Siderite | $FeCO _{3}$ |
| (d) | Limonite | $Fe _{2} O _{3} \cdot 3 H _{2} O$ |