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Which is the crystalline form of silica...

Which is the crystalline form of silica

A

Topaz

B

silicon

C

cristobalite

D

quartz glass

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VMC MODULES ENGLISH-JEE MAIN PAPER CHEMISTRY -MULTIPLE CHOICE QUESTIONS
  1. Which the following amines is the least basic ?

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  2. Which of the following antiseptics is used to cure wounds ?

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  3. Which is the crystalline form of silica

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  4. For following reactions A overset( 400K)( rarr) Product A underse...

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  5. Calculate the standard cell potential (in V) of the cell in which foll...

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  6. C(60) contains 'x' five membered rings & 'y' six memebered Then :

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  7. Marshall's acid is used for laboratory preporations of :

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  8. The pair that contains no P-H bonds in each of the oxoacids is :

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  9. The primary pollutant that leads to photochemical smog is :

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  10. Which of the following is into nitropruside ion ?

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  11. Teritary alcohols can be prepared using R mg X with :

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  12. The IUPAC symbol for the elements with atomic number 117 would be:

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  13. The shape of XeF6 molecule is :-

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  14. Two boxes A and B having their volume ratio 1 : 4 and filled with Ne ...

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  15. Cr-C bond in the compound [Cr(CO)(6)] shows pi-character due to

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  16. The magnitude of work done by a gas that undergoes a reversible expans...

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  17. For which of the following reactions, DeltaH is equal to DeltaU ?

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  18. A compound with molecular mass 180 is acylated with CH(3)COCl to get a...

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  19. Considering the basic strength of amines in aqueous solution, which on...

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  20. The temperature in ""^(@) C at SATP conditions is :-

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