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प्रश्न
Rust is a hydrated oxide of iron which is
विकल्प
Reddish brown
Green
White
Black
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उत्तर
Reddish brown
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संबंधित प्रश्न
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A gas used to sterilisation of drinking water is ________
What are oxides ?
What do you observe when Sulphur is heated and then tested with moist blue and red litmus – paper?
Complete and balance the following chemical equation.
\[\ce{KClO3 ->[heat] ?? + O2}\]
Which one of the following is most likely to be corroded?
What happens when the mercuric oxide is heated?
Classify Copper oxide. Also give a balanced equation to prepare it.
How will you prove that oxide formed by sulphur is acidic in nature?
State a specific reason for using zinc in galvanizing
State a specific reason for using lead in bullets
State a specific reason for using magnesium in fireworks.
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:
Sulphur
Give word equation for the reaction of Non-metal:
phosphorus
Give word equation for the reaction of metal is:
sodium
Name the following:
The product formed on oxidation of phosphorus.
