The two conditions that are needed for rusting are air and moisture
The conditions which promote rusting are:
3. acidic content presrent in solution
4. humidity content.
For clarity refer XII class , NCERT, Electrochemistry - corrosion article.
HOD, ORGANIC CHEMISTRY.
1.presence of moisture in atmosphere
2.absence of lubricant
HERE ARE CONDITIONS WHICH PROMOTES CORROSION:REACTION OF IRON ARTICLE OR ANY METAL ARTICLE WITH ATMOSPHERIC MOISTURE.REACTION OF METAL WITH OXYGEN IN ATMOSPHERE.
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inin heterotrophic mode of nutrition organs cannot prepare food on their own heterotrophs obtain energy from organic molecule already produced by the auto drops for this such organisms used by laser sights calls and gems this heterotrophs form of Nutrition differ in various organisms in depending on the type availability and process of obtaining food materials by an organism
Metal (ex . iron)
oxygen (usually from the atmosphere)
moisture,contact with air
The conditions which promotes corrosion are as follows
2. Electrochemical reaction
therefore answer is 17
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no.of atoms = no.of mole× avogadro's no.
so,here n( no.of mole) = 1/22.4
and avogadro's no.= 6.023× 10²³
so answer is,
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