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How many of the following ore(s) contain...

How many of the following ore(s) contain(s) copper `

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
  1. What is the IUPAC name of CH3(CH2)6-OC6H5?

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  2. In which of the following arrangements, the order is according to the ...

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  3. How many of the following ore(s) contain(s) copper

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  4. The oxidation state of chlorine atom in hypochlorous acid is

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  5. Gas A is formed on the hydrolysis of calcium cyanamide. The gas can tu...

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  6. Propene when reacted with water in the presence of H2SO4 gives

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  7. Thermal decomposition of barium azide produces the same gas as produce...

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  8. Cumene hydroperoxide on hydrolysis with dilute H2SO4 gives

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  9. Consider the following oxoacids of sulphur I.H2SO3 II. H2S2O7 II...

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  10. The type and number of chelate rings present in complex,[Fe(EDTA)]^- a...

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  11. In 3d series, the elements which exhibit highest and lowest melting po...

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  12. The value of Boyle's law constant (in S.I. unit) for 100ml of gas at 1...

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  13. Number of molecules present in 1 dm^3 of N2 at NTP, whose compressibil...

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  14. The value of Boyle's law constant (in S.I. unit) for 200ml of gas at 1...

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  15. The value of Boyle's law constant (in S.I. unit) for 350ml of gas at 1...

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  16. Calculate percentage purity of hydrogen peroxide, 0.2 g of which has b...

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  17. When 20 mL of a strong acid is mixed to 20 mL of strong alkali, the te...

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  18. Calculate enthalpy change for C6H5COOH → C6H5COO^- + H^+ (p break) ...

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  19. Equal moles of each H2, CH4, and SO3, are kept in a vessel A hole is m...

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  20. Calculate the volume of 0.1 M FeSO4, reacted with 20 mL of 0.2 N K2 Cr...

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