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Which is/are true statement(s) when meta...

Which is/are true statement(s) when metal carbides react with `H_(2)O`?

A

`AI_(4)C_(3)+H_(2)O rarr CH_(4)`

B

`CaC_(2)+H_(2)O rarr CH -= CH`

C

`Mg_(2)C_(3) + H_(2)O rarr CH_(3)C -= CH`

D

All true

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The correct Answer is:
D
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  2. Na(2)[Be(OH)(4)] is formed when:

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  3. Which is/are true statement(s) when metal carbides react with H(2)O?

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  4. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

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  5. Potassium is kept in

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  6. Which of the following is not present in cement ?

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  7. A wire of an alkaline earth metal X, burnt in air and dipped in water,...

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  8. Which of the following statement is correct for s-block elements:

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  9. One element which is used in flash light in photography, when heated w...

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  10. The s-block hydride with covalent polymeric structure are

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  11. Assertion: Na(2)O(2) is coloured and paramagnetic Reason: Na(2)O(2) ...

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  12. Assertion: KHCO(3) can not be obtained by solvay process. Reason: KH...

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  13. Assertion: Mg can bum in the atmosphere of N(2). Reason: Mg reacts w...

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  14. Assertion: Li(2)SO(4) do not form double salt like alum. Reason: Ato...

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  15. Assertion: Li and Mg shows similar chemical properties. Reason Li an...

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  16. Assertion: NaCI when exposed in air it becomes wet. Reason: NaCI con...

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  17. Assertion: Lithium is most reducing element. Reason: IP of lithium i...

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  18. Assertion: Lithium is the weakest reducing agent among alkali metals. ...

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  19. Assertion: When cement is mixed with water and left as such, it become...

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  20. Assertion: Beryllium is most reducing s-block element Reason: Hydrat...

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