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Elements Test - 3

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Elements Test - 3
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In which of the following compounds is hydrogen absent?
  • Question 2
    1 / -0
    Which of the following is not one of the uses of hydrogen?
  • Question 3
    1 / -0
    How many valence electrons are present in a carbon atom?
  • Question 4
    1 / -0
    Which of the following gases is produced due to the incomplete combustion of a fuel?
    Solution
    Carbon monoxide is a gas which is produced due to the incomplete combustion of a fuel.
  • Question 5
    1 / -0
    Which of the following elements is the major constituent of natural and synthetic fibres?
  • Question 6
    1 / -0
    Which of the following is not a use of carbon element?
  • Question 7
    1 / -0
    Which of the following is necessary for the break down of food in the living organisms?
  • Question 8
    1 / -0
    In which group in the modern periodic table is sulphur present?
  • Question 9
    1 / -0
    Which of the following elements is extracted by Frasch process?
  • Question 10
    1 / -0
    Which of the following elements is not used in the preparation of sulphuric acid?
  • Question 11
    1 / -0
    Which of the following elements is used for the hydrogenation of vegetable oils?
  • Question 12
    1 / -0
    Which of the following is not a use of chlorine gas?
  • Question 13
    1 / -0
    Which of the following can be prepared by electrolysis of acidulated water?
  • Question 14
    1 / -0
    Which of the following is called an element?
  • Question 15
    1 / -0
    Which of the following gases is used in refrigerators?
  • Question 16
    1 / -0
    Which of the following elements exists as a diatomic molecule?
  • Question 17
    1 / -0
    In which period of modern periodic table is nitrogen present?
  • Question 18
    1 / -0
    Which of the following elements is the major constituent of proteins and ammonia?
  • Question 19
    1 / -0
    Which gas is used in canning food stuff to prevent oxidation?
  • Question 20
    1 / -0
    Which of the following elements is not used in the preparation of nitric acid?
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