- Home
- Standard 12
- Chemistry
General Principles and processes of Isolation of Elements
medium
Among the following ores Bauxite, Siderite, Cuprite, Calamine, Haematite, Kaolinite, Malachite, Magnetite, Sphalerite, Limonite, Cryolite, the number of principal ores if (of) iron is $......$
A
$3$
B
$2$
C
$4$
D
$0$
(JEE MAIN-2022)
Solution
Standard 12
Chemistry
Similar Questions
Match List$-I$ and List$-II :$
| List$-I$ | List$-II $ | ||
| $(a)$ | Haematite |
$(i)$ |
$Al _{2} O _{3} \cdot xH _{2} O$ |
| $(b)$ | Bauxite | $(ii)$ |
$Fe _{2} O _{3}$ |
| $(c)$ | Magnetite | $(iii)$ | $CuCO _{3} \cdot Cu ( OH )_{2}$ |
| $(d)$ | Malachite | $(iv)$ | $Fe _{3} O _{4}$ |
Choose the correct answer from the options given below :
