Which of the following statements is/are true?....

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Which of the following statements is/are true?
(1) All alkali metals are soft and can be cut with
\( \mathrm{P} \)
knife
W
(2) Alkali metals do not occur in free state in nature
(3) Alkali metals are high electropositive elements
(4) Alkali metal hydrides are covalent in character


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