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Metals And Non ...

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  • Question 1
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    Which of the following is the lightest element in the periodic table?

  • Question 2
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    Which of the following statements is incorrect?

  • Question 3
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    Which of the following properties differentiates metals from non-metals?

  • Question 4
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    Gold is soluble in

  • Question 5
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    Which of the following burns in nitrogen gas?

  • Question 6
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    Nitrogen gas can be prepared by heating a mixture of

  • Question 7
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    Which of the following metals liberates hydrogen from cold water?

  • Question 8
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    Which of the following elements will not liberate hydrogen gas on its treatment with dilute HCl?

  • Question 9
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    Coloured glass used for goggles contains

  • Question 10
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    The Government of India has totally banned the export of 'Burnt Coal' (Jhama) because it contains recoverable amount of a metal element used in transistors. Which of the following is the element?

  • Question 11
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    The filament of an electric bulb is made of

  • Question 12
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    On increasing the temperature, the conduction in metallic conductors

  • Question 13
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    Argentite is an ore of

  • Question 14
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    The function of adding cryolite in the extraction of aluminium from pure alumina is

  • Question 15
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    Gunpowder may be used as

  • Question 16
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    German silver is an alloy of

  • Question 17
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    Amalgams are the alloys, which always contain

  • Question 18
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    Stainless steel usually contains about 15% of

  • Question 19
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    The purest form of iron is

  • Question 20
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    Which of the following is the reference electrode made from?

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