ᴡɪᴛʜ ᴛʜᴇ ʜᴇʟᴩ ᴏꜰ ꜱᴜɪᴛᴀʙʟᴇ ᴇxᴀᴍᴩʟᴇꜱ,ᴇxᴩʟᴀɪɴ ʜᴏᴡ ᴍᴇᴛᴀʟꜱ ʀᴇᴀᴄᴛ ᴡɪᴛʜ ᴡᴀᴛᴇʀ.ɢɪᴠᴇ ᴇqᴜᴀᴛɪᴏɴ ꜰᴏʀ ᴛʜᴇ ʀᴇᴀᴄᴛɪᴏɴ.
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Answer:
Metals react with water to give metal hydroxide and hydrogen gas .
examples:
Cold water ;
- metals like sodium and potassium react with cold water to give sodium hydroxide and potassium hydroxide and water. Reaction is highly exothermic and explosive catches fire.
- calcium reacts with water to give calcium hydroxide and hydrogen gas . The reaction is less exothermic.
hot water or Steam:
metals like iron react with the hot water to give iron oxide and hydrogen.
Fe + H2O g --- Fe3O4+H2 .
Explanation:
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METALS ON REACTING WITH WATER FORMS METAL OXIDE.
ALLUMINIUM + WATER = ALLUMINIUM OXIDE.
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