Question

Which one of the following metals does not react with cold as well as hot water.
(a)K

(b) Mg

(c) Ca

(d) Fe

Answer 1

EXPLANATION

Iron does not react with cold as well as hot water.

Iron means

Fe

FINAL ANSWER

option (d)

Iron=Fe

MORE ABOUT IRON

Iron is a chemical element with symbol Fe and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in front of oxygen, forming much of Earth's outer and inner core

core.Symbol: FeAtomic

mass: 55.845 u

Atomic number: 26

Electron configuration: [Ar] 3d64s2

Melting point: 1,538 °

COxidation states: −4, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7

(an amphoteric oxide)Period: period 4

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