NTPC CBT-2 Chemistry Quiz - 5

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Question 1:

What will be the reaction when base dissolves in water ?

Question 2:

Which of the following non-metal is liquid at room temperature?

Question 3:

Which compound is used to prepare waterproof clothes?

Question 4:

Physicist J.J. Thomson's atomic model, sometimes called the Plum-Pudding model, describes the atom as taking which configuration?

Question 5:

Brass gets discoloured in air because of the presence of which of the following gases in air?

Question 6:

The correct relation of Heisenberg uncertainty principle is

Question 7:

Galvanized iron pipes have a coating of -

Question 8:

Which of the following is correct about the matter-

Question 9:

Which one of the following is double salt ?

  1. Potash alum
  2. Mohr salt 
  3. Calcium sulphate 
  4. Bleaching powder

Question 10:

Identify the thermosetting plastic from the given options: