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Materials Metals And Non-Metals Test - 10

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Materials Metals And Non-Metals Test - 10
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In which of the following processes electric current is used to coat iron or steel with a layer of tin or chromium?
    Solution
    Electroplating involves passing an electric current through a solution called an electrolyte. Therefor Electroplating processes electric current is used to coat iron or steel with a layer of tin or chromium.
  • Question 2
    1 / -0
    In which of the following processes iron object is protected from rusting by dipping it into molten zinc?
  • Question 3
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    Which of the following elements forms acidic oxides?
    Solution
    Sulphur forms acidic oxide because it is a non-metal and non-metals form acidic oxides.
  • Question 4
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    Which of the following elements forms coloured compounds?
  • Question 5
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    Which of the following statements is true about reaction of metals and non-metals with water?
  • Question 6
    1 / -0
    Which of the following statements is not true about the reaction of metals and non-metals with acids?
  • Question 7
    1 / -0
    Which of the following metals does not replace copper from copper sulphate solution?
  • Question 8
    1 / -0
    Aluminium is used in making of airplanes because
  • Question 9
    1 / -0
    The fertilizers used for the enhancement of growth of plants contain compounds of which of the following non-metals?
  • Question 10
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    Which of the following happens when metals are treated with hydrogen?
  • Question 11
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    Which one of the following options is the difference between the chlorides of metals and non–metals?
  • Question 12
    1 / -0
    The corrosion of iron can be avoided by
  • Question 13
    1 / -0
    Which of the following reactions is not true according to the chemical properties of metals and non–metals?
    Solution
    Non-metals do not react with water or steam to release hydrogen gas.
  • Question 14
    1 / -0
    The elements which form positive ions by losing electrons are known as
  • Question 15
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    Which of the following elements is a non-metal?
  • Question 16
    1 / -0
    Which of the following substances exhibits properties between metals and non-metals?
  • Question 17
    1 / -0
    Which of the following options is a metal?
  • Question 18
    1 / -0
    Smelting is a process in which metal oxides are reduced with
  • Question 19
    1 / -0
    Which of the following statements gives the reason due to which hydrogen is placed in group 1, along with metals?
  • Question 20
    1 / -0
    The impurities present in minerals are known as _______.
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