RRB GROUP D Chemistry Quiz - 9

Attempt now to get your rank among 10 students!

Question 1:

Which of the following is used as a bleaching agent for textile industry ?

Question 2:

What is anodizing?

Question 3:

Atomic mass of an element is equal to the sum of number of

Question 4:

Classical smog occurs in

  1. Cool climate
  2. Humid climate
  3. Hot and humid climate
  4. Hot climate

Question 5:

Which of the following statement regarding sub – atomic particles is incorrect ?

Question 6:

Which of the following electronic configuration is most stable ?

Question 7:

Tooth enamel is made up of 

Question 8:

Molecular orbitals are filled in accordance with 

Question 9:

People prefer to wear cotton clothes in summer because- 

Question 10:

Which of the following is a chemical change?