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In Extraction of copper FeO and FeSiO3 a...

In Extraction of copper FeO and `FeSiO_3` are ?

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. The Basic oxide is

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  2. Nitration of aniline with HNO3 + H2SO4 gives ?

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  3. In Extraction of copper FeO and FeSiO3 are ?

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  4. Match the Column

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  5. An ideal gas is stored in a vessel of volume 416L at temprature 300K a...

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  6. A compound has 8% H , 70%C 16% N, Molecular mass is 160 Find the form...

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  7. In a buffer solution having pH= 4 and Ka = 1.3 xx 10^(-5) Find the rat...

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  8. Isobutyraldehyde on reaction with formaldehyde and K2CO3, gives compou...

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  9. Electrochemistry Find Sn^(4+) +4e^-rarr Sn E^o = 0.010eV Sn^(2+)...

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  10. 2.5 g of Protein taken and made 500gram of solution Osmotic Pressure o...

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  11. Find major Product ?

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  12. A Sugar X on hydrolysis forms isomers in which one of the compound for...

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  13. Consider the following Reaction ?

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  14. The pH of a buffer solution of acetic acid is 4 Find the value of [CH3...

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  15. The correct Statement about photochemical smog is

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  16. Nature of colloidal solution of [Fe(OH)3] is

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  17. COnsider the Structure of SF4 the number of lone pair Position of lone...

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  18. The Structure of Tagamet (Cimetidine) is ?

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  19. The half-life of a substance is 200days Find the % activity of remaini...

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  20. Arrange the following in the increasing order of their covalent charac...

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