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Which of the following statements is tru...

Which of the following statements is true for all the alkali metals?

A

(a) Their nitrates decomposes on heating to give the corresponding nitrites and oxygen.

B

(b) Their chlorides are deliquescent and crystallise as hydrates.

C

(c) They react with water to form hydroxide and hydrogen.

D

(d) They readily react with halogens to form ionic halides.

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