Quiz 420: General Knowledge Questions For All Public Service Examinations

What is the number of synthetic elements in periodic Table?

Buckeyballs are basically the allotropes of _________?

Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?

Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?

Which among the following were not discovered by the time , Mendeleev published his periodic table?

Which among the following first increases than decreases in a Period of a periodic table?

Acasta Gneiss is located in which country?

Which among the following is a correct Chronological Order of periods in the Geological Time Scale?

Consider the following: 

1. Sodium 
2. Potassium 

Which among the above plays vital role in restoring the body fluid?

Which among the following is used in preparing windows for X-Ray Tubes ?