-
A.
dissolve in alkalis
-
B.
react violently with hydrogen without heating
-
C.
displace each other from solutions of their salts
-
D.
are gases
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E.
are liquids
Correct Answer: Option A
Explanation
Alkali metals tend to lose one electron and form ions with a single positive charge.
They form ionic compounds (salts) in reaction with the halogens (alkali halides)
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