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The Ores that are concentrated by Froth ...

 The Ores that are concentrated by Froth flotation method

A

Carbonates

B

Sulphides

C

Oxides

D

Phosphates

Text Solution

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The correct Answer is:
B
sulphides
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ICSE-SAMPLE PAPER 05 (CHEMISTRY)-MULTIPLE CHOICE QUESTIONS
  1. The concentration units independent of temperature would be:

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  2. The standard reduction potential of Pb and Zn electrodes are -0.12 6 a...

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  3. The Ores that are concentrated by Froth flotation method

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  4. The geometry of Xe OF(2)

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  5. Formation of alkanes by the action of zinc on alkyl halide is called:

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  6. Phenol is more acidic than ethyl alcohol because:

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  7. Close packing is maximum in the crystal which is:

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  8. The number of moles of NaCl in 3 litres of 3M solution is:

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  9. The emf of the cell: Cu(s)|Cu^(2+) (1M)||Ag^(+)(1M)|Ag is 0.46V. T...

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  10. Copper pyrite ore is concentrated by:

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  11. In compound, OF(2) the oxidation state for 'O' is:

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  12. Which of the following is not correct about White Phosphorous (P(4)) ?

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  13. Vicinal and gem dihalides can be distinguished by:

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  14. Reimer Tiemann reaction is useful for the preparation:

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  15. In fcc arrangement of P and Q atoms, where P atom are at the corners o...

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  16. For the depression in freezing point experiment, the correct statement...

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  17. E("cell")^(@) and DeltaG^(0) are related as:

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  18. Coke is used in metallurgical process chiefly are:

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  19. Out of all halogen hydracids, the weakest is:

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  20. The IUPAC name of CH(3)-CH=CHCH(2)Br is :

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