NTPC CBT-2 Chemistry Quiz - 17

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Question 1:

How many neutrons in C-14?

Question 2:

The life of aquatic animal is in danger if pH of the water is-

Question 3:

The rates of diffusion of gases are inversely proportional to square root of their densities. This statement refers to

Question 4:

Magnetic quantum number determines 

Question 5:

Starch is a polymer of 

Question 6:

Ultrasonic jets cause pollution by diluting-

Question 7:

 Which of the following rays produce maximum luminosity on ZnS screen ?

Question 8:

Which of the following is used as a biological warfare agent?

Question 9:

Detergents are synthetic soaps like cleansing agents and are also known as ____________

Question 10:

The oxidation state of carbon in calcium carbide is