NTPC CBT-2 Chemistry Quiz - 20

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Question 1:

Which one of the following gas is filled in meteorological balloons to study weather conditions ?

Question 2:

Which of the following is polar molecular solids ?

Question 3:

Which of the following is used in medicines to remove acidity of stomach ?

Question 4:

Which of the following is not a property of heavy water?

Question 5:

The energy released by 1 gram of glucose is



Question 6:

Which of the following is the main compound of the voter ink ?

Question 7:

Which one of the following is the hardest natural substance ?

1) Diamond 

2) Graphite 


Question 8:

Drinking water is considered "biologically" polluted if coliform is in _____.

Question 9:

25 ml water and 10ml of acid is mixed together in a beaker . This process is known as 

Question 10:

Which of the following statement in incorrect about dipole moment?