To which group does chlorine element belong?

Which of the following can classified as an amphoteric oxide?

Why does nitrogen show anomalous properties with respect to other elements in group 15?

What colour does the compound dinitrogen trioxide appear in its liquid state?

What is the name of the industrial process to manufacture nitric acid?

Which the following is the correct order of oxidizing power of perhalates?

In the contact process, SO2 is passed twice through the catalytic converted. Why?

What is the ratio of the molar heat at constant pressure to the molar heat at constant volume for a noble gas?