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Sphalerite and siderite are the ores of ...

Sphalerite and siderite are the ores of the metals

A

AI and Zn

B

Fe and Cu

C

Cu and Zn

D

Fe and Zn

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The correct Answer is:
D
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NCERT FINGERTIPS-PRACTICE PAPER -2-Practice Paper 2
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  2. Which of the following is paramagnetic as well as coloured ion ?

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  3. Antiseptic Chloroxylenol is

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  4. PVC is an example of

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  5. Order of esterification of alcohols is

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  6. Which of the following alkenes is the most reactive towards cationic p...

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  7. The reaction Aroverset(+)N(2)Cl^(-) overset(Cu//HCl)to ArCl +N(2) + ...

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  8. Latex is acolloidal solution of rubber particles which are

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  9. In a solid lattice the cation and anion both have left a lattive site....

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  10. Which of the following will not undergo aldol condensation ?

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  11. Calculate the ebullioscopic constant for water. The heat of vaporisati...

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  12. Which of the following represents the correct order of acidic strength...

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  13. Which of the following is a fat soluble vitamin ?

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  14. The reaction , RCl + NaI overset(" Dry acetone")to R - I + NaCl is k...

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  15. For a first- order reaction, the time required for 99.9% of the react...

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  16. Sphalerite and siderite are the ores of the metals

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  17. Which of the following is the most impure form of iron ?

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  18. The presence or absence of hydroxy group on which carbon atom of sugar...

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  19. The formulation of dettol contains

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  20. Which of the following does not undergo Hell-Volhard-Zelinsky reaction...

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