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General Principles and processes of Isolation of Elements
easy
Haematite ore is concentrated by
A
gravity separation method
B
froth floatation process
C
amalgamation
D
hand picking
Solution
Haematite, ore of iron. So, it is concentrated by gravity separation method.
Standard 12
Chemistry
Similar Questions
Match the list
| $I$ | $II$ | ||
| $(A)$ | Van arkel method | $(P)$ | Purification of titanium |
| $(B)$ | Solvay process | $(Q)$ | Manufacture of $Na_2CO_3$ |
| $(C)$ | Bassemerisation | $(R)$ | Reduction of aluminium |
| $(D)$ | Holl Herault's process | $(S)$ | Reduction of cupper |
medium
Match List $I$ with List $II.$
| List $I$ | List $II$ |
| $A.$ Siderite | $I.$ $Fe CO _{3}$ |
| $B.$ Malachite | $II.$ $CuCO _{3} \cdot Cu ( OH )_{2}$ |
| $C.$ Sphalerite | $III.$ $ZnS$ |
| $D.$ Calamine | $IV.$ $ZnCO _{3}$ |
Choose the correct answer from the options given below
