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Chemistry Test 21
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Chemistry Test 21
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  • Question 1/30
    1 / -0
    Chief pollution of smoke of cigarette is–
  • Question 2/30
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    In a reaction of type A B → C D one could ensure it, to be a First orderreaction by–
  • Question 3/30
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    What is the chemical composition of Heavy Water?
  • Question 4/30
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    Which was a novelty in Shah Jahan’s buildings?
  • Question 5/30
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    Heat transfer Horizontally with in atmosphere is called–
  • Question 6/30
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    Silicon is a Polymer of
  • Question 7/30
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    Which one of the following is used to dissolve noble metals?
  • Question 8/30
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    Which radiation emitted from the sun has highest wavelength?
  • Question 9/30
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    Maximum permissible concentration of copper in drinking water in mg/L is –
  • Question 10/30
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    Which of the following metal forms amalgam with other metals?
  • Question 11/30
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    Mixture of which pair of gases is the cause of occurrence of most of the explosions in mines?
  • Question 12/30
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    In which biological process sugar is oxidised to release energy?
  • Question 13/30
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    What is the mixture of carbon monoxide and hydrogen called?
  • Question 14/30
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    Property of Ammonia is –
  • Question 15/30
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    Which Bacteria convert atmospheric nitrogen into nitrogenous compound?
  • Question 16/30
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    The acid used in the Lead storage cell is –
  • Question 17/30
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    Of which metal were the tools and weapons of Harappan civilisation?
  • Question 18/30
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    Which is associated with the formation of brown air in traffic congested cities?
  • Question 19/30
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    Food wrapped in newspaper is likely to get contaminated with which desease?
  • Question 20/30
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    What is the most suitable unit for expressing nuclear radius?
  • Question 21/30
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    In Graphite layers are held together by–
  • Question 22/30
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    Charcoal is used in water treatment as a/an–
  • Question 23/30
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    Select the compound in which chlorine shows oxidation state 7?
  • Question 24/30
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    If Mg Cl2 contains one Millions of Mg2 Ions, then how many Chloride Ions are present in it?
  • Question 25/30
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    When ore is heated generally in absence of air then what is process called?
  • Question 26/30
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    What are species containing same number of electrons called?
  • Question 27/30
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    Acetyl salicylic acid is commonly used as which medicine?
  • Question 28/30
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    Which of the following is good nuclear fuel?
  • Question 29/30
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    Which represents a process of chemical weathering?
  • Question 30/30
    1 / -0
    What is saliva in man?
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