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Write the names and chemical formulae of...

Write the names and chemical formulae of any two minerals of aluminium.

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Two minerals of aluminiu, are :
(a) Bauxite `-Al_(2)O_(3).2H_(2)O`
(b) Cryolite -`NaAIF_(6)`
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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- JULY 2017-SECTION-II
  1. Write the names and chemical formulae of any two minerals of aluminium...

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  2. In the following C(2)H(5)-overset(H)overset(|)C=ONH(2)OH to Aoverset...

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  3. The stability order for carbocation is :

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  4. Effective atomic rule is used to find-

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  5. Which of the following ion is coloured ?

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  6. Phenol when nitrated with conc. HNO(3) in presence of conc. H(2)SO(4) ...

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  7. The secondary structure of proteins is derived from

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  8. Ethylidene dichloride when boiled with aqueous solution of NaOH yields...

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  9. How is phenol prepared from cumene ?

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  10. Write a note on self oxidation-reduction reaction of aldehyde with su...

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  11. Explain basic nature of amines.

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  12. What are antiseptics ? Give any 'two' examples.

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  13. What happens when glucose is treated with (a) hydroxylamine " " ...

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  14. Draw the structures of chromate and dichromate ions.

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  15. How is terylene prepared ?

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  16. Identify A and B ibn the following reaction : CH(3)+Br+Mg overset("dry...

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  17. How ligands are classified ? Explain with suitable examples.

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  18. What is Lanthanoid contraction ? Explain , why lanthanum (Z=57) form...

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  19. What is the action of the following reagents on propanone ? (a) Phen...

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  20. Define enzymes. How is peptide linkage formed ?

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  21. How is nitroethane converted into- (a) ethyl amine, " " (b) N-et...

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