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On heating to 400-500^(@)C, relatively u...

On heating to `400-500^(@)C`, relatively unstable hydrides and carbonates decompose. Which of the following will decompose when heated to `400-500^(@)C`?
`(I)LiH` `
(II)NaH` `
(III)Li_(2)CO_(3)` `
(IV)Na_(2)CO_(3)`

A

`II, III`

B

`I, II, III`

C

`I, III`

D

`III, IV`

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The correct Answer is:
A
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