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Consider the following reactions Z + 3L...

Consider the following reactions
Z + 3LiAl`H_4` `to` X + 3LiF + 3Al`F_3`
X + 6`H_2`O `to` Y + 6`H_2`
X + 3`O_2` `oversetDelta to` `B_2O_3` + 3`H_2`O
X, Y and Z respectively

A

`B_2O_3`, B`F_3` and `H_3B0_3`

B

`B_2H_6`, `H_3BO_3` and B`F_3`

C

`B_2H_6`, B`F_3` and `H_3BO_3`

D

B`H_3`, `B_2O_3` and `H_3BO_3`

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
  1. The average velocity of an ideal gas molecule at 27^oC is 0.8m/s. The ...

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  2. Consider the following statements at room temperature. l. CO2 is a gas...

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  3. Consider the following reactions Z + 3LiAlH4 to X + 3LiF + 3AlF3 X ...

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  4. (3c, 2e) bond is present in

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  5. Hybrid state of aluminium chloride in aqueous medium is

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  6. When CO2(g) is passed to lime water, there is appearance of milkiness....

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  7. Soda ash is

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  8. Lithium is the strongest reducing agent though it has highest ionisati...

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  9. Which of the following compound is used to regenerate ammonia in the p...

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  10. Consider the following statements. I. Li2CO3 decomposes easily on heat...

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  11. Match the Column-I with Column-ll.

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  12. BeS04 is readily soluble in water because

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  13. To increase the setting time of cement, the substance added to it, is

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  14. CaS04 is also known as

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  15. The chemical formula of barium peroxide is

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  16. What is the volume of 10 volume H2O2 solution required to react comple...

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  17. Which of the following statement is correct?

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  18. Permanent hardness of water is due to the presence of salts of Ca and ...

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  19. The average velocity of an ideal gas molecule at 27^oC is 0.9m/s. The ...

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  20. Assertion (A) Permanent hardness of water is removed by treatme...

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