NTPC CBT-2 Chemistry Quiz - 13

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Question 1:

Which one of the following is the correct sequence in the increasing order of boiling point of haloalkanes ?

Question 2:

Carbonization is the

Question 3:

Refrigerator helps in food preservation by

Question 4:

Which of the following elements do not come under the category of plants macronutrients?

Question 5:

Which one of the following is electronic configuration for sulphur atom ?

Question 6:

Which of the following is used in space capsules , submarines and breathing marks ?

Question 7:

Fuel used in heavy motor vehicles, electric generators are separated from crude oil by-

Question 8:

Which of the following gas is used in discharge tubes for optical decoration and advertising ?

Question 9:

Which of the following is the correct order of lattice enthalpy ?

Question 10:

Which of the following statement is incorrect ?

  1. Atomic radius is measured in picometre.
  2. Atoms do not exist independently
  3. Atoms are the building block of all matters
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