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Copper matte contains...

Copper matte contains

A

`Cu_2O and FeO`

B

`Cu_2S and FeS`

C

`Cu_2S and FeO`

D

`Cu and Cu_2S`

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AAKASH INSTITUTE-TEST 1-EXAMPLE
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  3. Copper matte contains

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  4. Copper sol is most easily precipitated by

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  5. For the galvanic cell Mg(s)|Mg^(2+)(aq)||Zn^(2+)(aq)|Zn(s),the standar...

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  6. For the following redox reaction the coefficients of the reactants for...

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  7. Molality of aqueous solution of urea is 3.The mass percentage of urea ...

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  8. If 0.1 m aqueous solution of calcium phosphate is 80% dissociated then...

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  9. A metal crystallizes in a body-centred cubic lattice with the unit cel...

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  10. Number of radial and angular nodes present in 4d orbitals respectively...

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  11. If the radius of the second orbit of hydrogen atom is a Å then radi...

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  12. Which among the following is an intensive property?

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  13. Which among the following will be most hydrated in aqueous medium?

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  14. Correct decreasing order of electron affinity of the given elements is

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  15. The product which is not formed by the reaction of aqueous AgNO3 with ...

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  16. Incorrect statement among the following is

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  17. Solubility of AgCl in 0.1 M CaCl2 solution will be (K(sp) of AgCl=1.8×...

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  18. Which among the following is not a a conjugate acid base pair?

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  19. 100 ml of 0.2 M CH3COOH is titrated with 0.2 M NaOH solution. The pH o...

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  20. If the equilibrium constant of a reaction is 2×10^3 at 25°C then the s...

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