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Materials Metals And Non-Metals Test - 12

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Materials Metals And Non-Metals Test - 12
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following options has the highest malleability and ductility?
  • Question 2
    1 / -0
    Which of the following options is a homogenous mixture of two or more elements with metallic properties?
  • Question 3
    1 / -0
    The natural material in which the metals or their compounds occur in the earth is known as
  • Question 4
    1 / -0
    A mineral from which a metal can be profitably extracted is called a/an
  • Question 5
    1 / -0
    Which of the following elements is the most electronegative one?
  • Question 6
    1 / -0
    Which of the following metals does not exist as solid under ordinary conditions?
  • Question 7
    1 / -0
    Which of the following elements has the highest melting point?
  • Question 8
    1 / -0
    Which one of the following alloys contains copper and tin as the constituent metals?
    Solution
    Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon. There are many different bronze alloys, but typically modern bronze is 88% copper and 12% tin.
  • Question 9
    1 / -0
    Presence of which of the following options is essential for rusting?
  • Question 10
    1 / -0
    Which among the following metals is the most reactive according to the activity series of metals?
  • Question 11
    1 / -0
    Which of the following steps is not involved in the extraction of a metal?
  • Question 12
    1 / -0
    Which of the following non-metals shows luster like metals?
  • Question 13
    1 / -0
    Which of the following non-metals occurs in the free state as well as in the form of compounds?
  • Question 14
    1 / -0
    Which of the following metals does not react with atmosphere at all?
  • Question 15
    1 / -0
    In which of the following forms, iron is less brittle, harder, corrosion-resistant and most useful?
  • Question 16
    1 / -0
    The branch of chemistry which deals with the method of extraction of metals from their ores is called
  • Question 17
    1 / -0
    Which of the following elements dissolves in water to form hydroxides known as alkalies?
  • Question 18
    1 / -0
    Which of the following pairs of elements are the first and the second most abundant metals found in the earth`s crust?
  • Question 19
    1 / -0
    Which of the following metals occurs in nature in the form of oxides?
  • Question 20
    1 / -0
    Which of the following alloys is used in making of magnets?
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