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Andhra Pradesh SSC (Class 10) Metals and Non-metals — practice questions — page 3

Explore 102 free Metals and Non-metals questions in Andhra Pradesh SSC (Class 10) Science and Technology. Open each question or exercise to read its content, reference answers and available explanation.

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Metals and Non-metals questions and exercises with answers

Showing questions 61–90 of 102.

CLASS10 · Chemistry · Metal or Non-metalRead the answer and worked solution →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 →Which of the following property is generally not shown by metals?Read the answer and worked solution →The ability of metals to be drawn into thin wire is known asRead the answer and worked solution →Which one of the following metals do not react with cold as well as hot water?Read the answer and worked solution →Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?Read the answer and worked solution →The composition of aqua-regia isRead the answer and worked solution →Which of the following are not ionic compounds? (i) KCl (ii) HCl (iii) $\mathrm{CCl}_4$ (iv) NaClRead the answer and worked solution →Which one of the following properties is not generally exhibited by ionic compounds?Read the answer and worked solution →Which of the following metals exist in their native state in nature? (i) Cu (ii) Au (iii) Zn (iv) AgRead the answer and worked solution →Silver articles become black on prolonged exposure to air. This is due to the formation ofRead the answer and worked solution →

Worked practice questions

CLASS10 · Chemistry · Metal or Non-metal

Read exercise and reference answers
Items
  1. Item
    Good conductor of heat and electricity
    Answer
    left
  2. Item
    Poor conductor of electricity
    Answer
    right
  3. Item
    Lustrous and malleable
    Answer
    left
  4. Item
    Brittle and dull (usually)
    Answer
    right
  5. Item
    Forms basic oxides
    Answer
    left
  6. Item
    Forms acidic oxides
    Answer
    right
Categories
Left
Metal
Right
Non-metal
Instructions
Sort each property: metal or non-metal?

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Most metals form which type of oxide?

  1. Basic oxide
  2. Acidic oxide only
  3. Neutral oxide only
  4. Amphoteric only
Show answer and solution

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
Show answer and solution

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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