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Which ore contains both iron and copper ...

Which ore contains both iron and copper ?

A

Cuprite

B

Chalcocite

C

Malachite

D

Copper pyrites

Text Solution

Verified by Experts

The correct Answer is:
D
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ICSE-SAMPLE PAPER 2 (CHEMISTRY)-Questions
  1. Which of the following is simple ether ?

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  2. Which of the following alcohol is least soluble in water?

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  3. Which ore contains both iron and copper ?

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  4. The osmotic pressure of a dilute solution is given by

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  5. The unit of equivalent conductance is :

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  6. If a cation leaves a site in solid lattice, and is located at an inter...

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  7. In NaCl structure:

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  8. Grignard's reagent is prepared by the action of magnesium metal on:

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  9. When ethanol reacts with PCl(5) it gives three products which include ...

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  10. Molar ionic conductivites of a bivalent electrolyte are 57 and 73. the...

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  11. In a cell reaction, Cu((s))+ 2Ag((aq))^(+) to Cu((aq))^(2+) + 2Ag((s))...

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  12. The cordination number of a metal crystallising in a hexagonal close-p...

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  13. The coordination number of sodium in sodium oxide is:

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  14. Lanthanoid contraction is due t increase in

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  15. Across the lanthanide series,the basicity of the lanthanoide hydroxide...

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  16. In hydrogen-oxygen fuel cell, combustion of hydrogen occurs to :

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  17. The electricity needed to liberate one gram equivalent of Cu^(2+) is:

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  18. The crystal system of unit cell dimensions a=0.387, b=0.387 and c=0.50...

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  19. Which of the following unit cells is the most unsymmetrical ?

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  20. The amount of solute required to prepare 10L of decimolar solution is:

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