The p-Block Ele...

Equal masses of $$S_2, S_4$$ and $$S_8$$ are taken. Highest number of free species are present in:

The nitride salt of $$Ca$$ when treated with $$H_{2}O$$ gives:

Which property is most important in making fluorine, the strongest oxidising halogen?

Which of the following is not a peroxy acid?

Helium is used in balloons in place of hydrogen because it is:

The catalyst used in the manufacture of nitric acid by Ostwald's process is: 

An element is oxidised by fluorine and not by chlorine. Identify the element.

In the Haber process of synthesis of $$NH_3$$,  which of the following statement is correct?

When plants and animals decay, the organic nitrogen is converted into inorganic nitrogen. The inorganic nitrogen is in the form of:

Which one of the following statements is incorrect?