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The tetravalent elements A and B form di...

The tetravalent elements A and B form dioxides both react with NaOH to form similar salts `angleOAO " is " 180^(0) and angleOBO " is " 109^(0) 28^(')`. Both are acidic in nature A and B are respectively

A

Ge and Si

B

S and Si

C

C and Si

D

Si and C

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
  1. Give reasons Graphite is used as lubricant.

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  2. SiF(4) + H(2)O to Aoverset(1000^(0)C)to B overset(Na(2)CO(3))to C Iden...

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  3. Decreasing order of "P" orbital Character in the following a) SiO(2...

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  4. Silicon has a strong tendency to form polymers like silicones. The cha...

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  5. Which of the following salt undergoes hydrolysis?

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  6. Which is correct regarding CO(2).

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  7. Hydrolysis of SiCl(4) gives compound 'X' and HCl on heating to 1000^(@...

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  8. The correct statement with respect to CO is

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  9. The correct order for boiling point of IV group hydrides respectively ...

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  10. Shape of overset(.)(C)H(3) is

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  11. The tetravalent elements A and B form dioxides both react with NaOH to...

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  12. Which of the following compounds is formed by addition of mineral acid...

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  13. Which of the following is not an ionic tri halide :

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  14. Alumina is insoluble in water because:

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  15. When oxalic acid is heated with concentrated H(2) SO(4) it produces

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  16. Which of the following sublimes on heating ?

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  17. In sheet silicate number of oxygen atoms involved in sharing are

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  18. Silicones repel water due to:

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  19. (COOH)(2) overset("heat") (to) x ("gas')+Y("gas")+Z("gas") Y and Z b...

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  20. The corrrect order of C-O bond length among CO, CO3^(2-), CO2 is

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