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ICSE Class 10 Metallurgy — practice questions

Explore 68 free Metallurgy questions in ICSE Class 10 Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Metallurgy questions and exercises with answers

Showing questions 1–30 of 68.

Most metals form which type of oxide?Read the answer and worked solution →Most non-metals form which type of oxide?Read the answer and worked solution →The most abundant metal in the earth's crust isRead the answer and worked solution →A naturally occurring substance from which a metal can be extracted economically is calledRead the answer and worked solution →Crushing and grinding of ore followed by separation of useful mineral from earthy impurities is calledRead the answer and worked solution →Froth flotation method is used to concentrate ores that areRead the answer and worked solution →Bauxite (Al2O3.2H2O) is purified byRead the answer and worked solution →Calcination is the heating of an oreRead the answer and worked solution →Roasting differs from calcination because roasting is doneRead the answer and worked solution →Reduction of metal oxides by carbon is suitable forRead the answer and worked solution →Aluminium is extracted byRead the answer and worked solution →Cryolite is added to alumina in the Hall-Heroult cell toRead the answer and worked solution →Electrolysis of fused sodium chloride produces sodium at theRead the answer and worked solution →Rusting of iron is the formation ofRead the answer and worked solution →Rusting of iron is prevented in galvanisation by coating iron with a layer ofRead the answer and worked solution →Steel is an alloy of iron andRead the answer and worked solution →Duralumin is an alloy ofRead the answer and worked solution →Brass is an alloy ofRead the answer and worked solution →Common ore of zinc isRead the answer and worked solution →Common ore of aluminium isRead the answer and worked solution →Match the ore to its metalRead the answer and worked solution →Match the process to its roleRead the answer and worked solution →Match the refining method to its metalRead the answer and worked solution →Tap the item that does not belongRead the answer and worked solution →Tap the process that is not concentrationRead the answer and worked solution →Fill the metallurgy blanksRead the answer and worked solution →True or false — metallurgyRead the answer and worked solution →Put the extraction steps in orderRead the answer and worked solution →When is a mineral deposit considered an ore?Read the answer and worked solution →What is the unwanted rock or mineral mixed with ore called?Read the answer and worked solution →

Worked practice questions

Most metals form which type of oxide?

  1. Basic oxide
  2. Acidic oxide only
  3. Neutral oxide only
  4. Amphoteric only
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Correct answer: A. Basic oxide

1. The chapter section 7A on metals vs non-metals lists oxide behaviour. 2. Metals like Na, K, Ca form oxides that dissolve to give bases. 3. Non-metals form acidic or neutral oxides. 4. So most metal oxides are basic. _Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section 7A_

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Most non-metals form which type of oxide?

  1. Basic oxide only
  2. Acidic or neutral oxide
  3. Amphoteric oxide only
  4. Magnetic oxide only
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Correct answer: B. Acidic or neutral oxide

1. The chapter contrasts metal vs non-metal oxides. 2. Non-metal oxides like SO2, CO2 dissolve to give acids. 3. Some (CO, N2O) are neutral. 4. So non-metals make acidic or neutral oxides. _Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section 7A_

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The most abundant metal in the earth's crust is

  1. Calcium only
  2. Iron only
  3. Aluminium
  4. Sodium only
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Correct answer: C. Aluminium

1. Section 7.1 gives a table of crustal abundance. 2. Aluminium is at about 8% by mass. 3. Iron is next at about 5%. 4. So aluminium is the most abundant metal. _Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section 7.1_

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More Chemistry topics

Organic ChemistryPeriodic Table & Periodic PropertiesMole Concept and StoichiometryAnalytical ChemistryElectrolysisAcids, Bases and SaltsStudy of Compounds: hydrogen chloride, ammonia, nitric acid, sulphuric acidChemical Bonding