RRB GROUP D Chemistry Quiz - 44

Attempt now to get your rank among 3 students!

Question 1:

In antartica, ozone depletion is due to-

Question 2:

Which one of the following colors of light would exhibit the most intense Tyndall scattering?

Question 3:

A sample of 'soft soap' contains-

Question 4:

Which of the following is elements present in ruby ?

Question 5:

Which gas is formed when coal is heated in air?