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When melamine and formaldehyde polymeris...

When melamine and formaldehyde polymerise, a resine intermedialte is formed. Identify the structure of this intermediate.

A

B

C

D

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The correct Answer is:
C
The following Structure are
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 18-PAPER 1 (PHYSICS & CHEMISTRY)
  1. Which has greater reactivity

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  2. The alkali metals form salt like hydrides by the direct synthesis at e...

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  3. Among the following metal carbonyls, the C-O bond order is lowest in

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  4. Reaction of acetaldehyde with a Grgnard reagent following by hydrolysi...

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  5. The end product C in the following sequence of chemical reactions is ...

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  6. Anils are formed by the condensation of aniline with

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  7. An organic compound 'A' having molecular formula C(2)H(3)N on reductio...

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  8. Enzymes are basically or All enzymes contain

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  9. Among the following , the compound that contains ionic, covalent and c...

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  10. Which of the following have been arranged in increasing bond order as ...

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  11. In which one of the following, does the given amount of chlorine exert...

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  12. Many body fluids e.g. …(x)… have definite pH and any deviation in thei...

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  13. If Z is atomic number of a metal, X is number of electrons lost during...

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  14. Phenol reacts with bromine in carbon disulphide at low temperature to ...

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  15. Which of the followijng is the strongest acid ?

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  16. Aniline when diazotized in cold and then treated with dimethyl aniline...

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  17. Which of the statements about ''Denaturation'' given below are correct...

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  18. When melamine and formaldehyde polymerise, a resine intermedialte is f...

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  19. Which of the following is a tranquiliser ?

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  20. What will be the IUPAC name of the given compound ? {:(" ...

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