NTPC CBT-2 Chemistry Quiz - 19

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Question 1:

Ant sting cause red, swollen mark on the skin that may be very itchy. This is due to injection of-

Question 2:

A silver ware is kept in a solution of copper sulphate. What change do you expect?

Question 3:

Match List I and List II

Question 4:

Which of the following is used for silvering of mirror ?

Question 5:

The number of maximum electrons in N Shell is

Question 6:

Which among the following is non polar molecule?

Question 7:

Tools made of brass are known to have extended life and a reduced need for sharpening. The brass tools are made up of -

Question 8:

Which of the following is true about vitamins?

  1. Vitamins in the human body are needed in large amounts 
  2. Vitamins are secreted by the ductless gland 
  3. Vitamin A, D, E, and K are fat-soluble .
  4. Vitamin B and C are water-soluble

Question 9:

Which one of the following statements is correct?

Question 10:

The electronic configuration of chloride ion is ?