Write any six chemical properties of metals.

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Solution

Chemical properties of metals:
(1) They form positive ions.
(2) They form basic oxides and hydroxides.
(3) They react with oxygen present in atmosphere to form oxides and iron corrodes.
(4) They form metallc bonds.
(5) They react with water to produce $h y d r o g e n$ gas.
$2 N a + H_{2} O \to 2 N a O H + H_{2} ↑$
$M g + H_{2} O \to M g O + H_{2} ↑$
$3 F e + 4 H_{2} O ⇌ F e_{3} O_{4} + 4 H_{2} ↑$

(6) They react with oxygen to form oxides.
$4 N a + O_{2} \to 2 N a_{2} O$
$2 M g + O_{2} Δ - \to 2 M g O$
$2 Z n + O_{2} Δ - \to 2 Z n O$

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