which of the following metals do not react with cold or hot water or even with steam ?
a potassium , silver , magnesium
b copper , gold , silver
c Gold , calcium , sodium
d magnesium , sodium , copper
answer plz Choose correct option
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Answer:
ᴅ.ᴍᴀɢɴᴇꜱɪᴜᴍ ꜱᴏᴅɪᴜᴍ,ᴄᴏᴩᴩᴇʀ
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Answer:
Solution
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Correct option is
DFe
The metal sodium, calcium and magnesium are highly reactive to water and make their hydroxides.
Iron is a less reactive metal and does not show any reaction while treated with cold as well as hot water but will react with steam and form metal oxides and hydrogen gas.
3Fe(s)+ 4H
2
O(g)→ Fe
3
O
4
(s)+ 4H
2
(g)
Iron Steam Iron(III) oxide Hydrogen
Hence option (D) is correct.
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