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प्रश्न
Rust is a hydrated oxide of iron which is
पर्याय
Reddish brown
Green
White
Black
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उत्तर
Reddish brown
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संबंधित प्रश्न
What are oxides ?
Give two examples of metallic oxides.
Complete and balance the following chemical equation.
\[\ce{KClO3 ->[heat] ?? + O2}\]
Which one of the following is most likely to be corroded?
Classify Sulphur dioxide. Also give a balanced equation to prepare it.
How will you prove that oxide formed by sulphur is acidic in nature?
Give a reason why oiling or greasing is done on the exposed moving iron parts of machinery and not preferred on heavy stationary iron parts.
State why galvanization, tinning and chromeplating are used as three different processes for coating specific articles for prevention of rusting.
State a specific reason for using zinc in galvanizing
State a specific reason for using lead in bullets
Give reason for the following:
Galvanized steel is not used for articles used for edible applications.
Give word equation for the reaction of Non-metal:
carbon
Give word equation for the reaction of Non-metal:
phosphorus
Give word equation for the reaction of metal is:
magnesium with oxygen
Name the following:
The product formed on oxidation of phosphorus.
Name the following:
The chemical name of rust.
