Q. 49 B5.0( 5 Votes )
Name five methods of preventing rusting of iron.
2) applying grease or oil
4) Tin and chromium plating
5) Alloying to form stainless steel.
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(i) A metal ‘R’ is found in nature as RCO3. It is used in galvanising iron articles. Name the metal.
(ii) Give any two observations when sodium is dropped in Water.All In One Science