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Consider the following ores: Haematite, ...

Consider the following ores: Haematite, Magnetite, Siderite, Iron pyrites. How many of above ores can be concentrated by magnetic separation method?

A

2

B

1

C

4

D

3

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AAKASH INSTITUTE-TEST 2-EXERCISE
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  2. Which is not an ore of copper?

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  3. Consider the following ores: Haematite, Magnetite, Siderite, Iron pyri...

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  4. Which is not self reducing throughout the metallurgical process?

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  5. When impurity in metal can easily be oxidised than metal itself, then ...

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  6. Which of the following can be extracted by thermite process?

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  8. Which of the following is most stable oxidation state of manganese?

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  9. Which of the following exhibits only one type of lattice structure?

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  10. Which of the following carbide is not possible with Lanthanides (Ln)?

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  11. Consider the following conversion CrO4^(-2) ⇋ Cr^(+3) find n factor...

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  13. Potassium dichromate reacts with potassium iodide in acidic medium. Wh...

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  14. Which of the following does not have dπ - pπ bond?

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  15. Titration of KMnO4 in acidic medium is not satisfactory in presence of

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  16. The lanthanide which do not exhibit +2 oxidation state is

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  17. Which is not a bidentate ligand?

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  18. Which of the following is a coordination compound?

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