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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Give Reason for the Following: a Suspension of Rust is Basic in Nature.

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प्रश्न

Give reason for the following:

A suspension of rust is basic in nature.

टीपा लिहा
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उत्तर

Rust is formed by oxidation of iron in air in presence of moisture. The main constitutent of rust is Iron(III) oxide [Fe2O3.xH2O] which is a metallic oxide. Hence, all metallic oxides are basic in nature. Therefore, a suspension of rust is basic in nature.

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पाठ 6: Metals and Non-metals - Objective Type Questions

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विराफ जे. दलाल New Simplified Middle School Chemistry [English] Class 7
पाठ 6 Metals and Non-metals
Objective Type Questions | Q 2.4

संबंधित प्रश्‍न

Explain why Iron sheets are coated with zinc during galvanization.


Fill in the following blanks with suitable words:
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(b) What are the products C and D most likely to be?
(c) Write the chemical equation for the reaction between A and B leading to the formation of C and D. Mention the physical states of all the reactants and products in this equation and indicate the heat change which takes place.
(d) What is the special name of such a reaction? State one use of such a reaction.
(e) Name any two types of chemical reactions under which the above reaction can be classified.


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