NTPC CBT-2 Chemistry Quiz - 7

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Question 1:

Which of the following salt do not contain water of crystallization ?

  1. Washing soda
  2. Blue vitriol 
  3. Oil of vitriol
  4. Gypsum
  5. Baking soda

Question 2:

What is Antacid?

Question 3:

Chemical formula of bleaching powder -

Question 4:

Which of the following is not the component of photochemical smog?

Question 5:

Water is used for the moderation of climate and body temperature of living beings .The property of water that is responsible for this is 

1)High heat capacity

2) High heat of vaporization 

3) Low Heat Capacity

Question 6:

Which of the following are the ingredients of gun-metal?

Question 7:

Which of the following metals reacts with steam to form metal oxide and hydrogen?

Question 8:

Rutherford’s alpha-particle scattering experiment was responsible for the discovery of 


 

Question 9:

Which of the following ions are responsible for transmission of nerve signals ?

Question 10:

An unriped mango placed in a concentrated salt solution to prepared pickle shrivels because