The composition of brown ring in nitrate test is_________________?

Related Mcqs:

Phosphoric acid is a weak acid and its basicity is____________________?

A. 1 B. 3 C. zero D. 2...

All the elements in group VIA are ___________________ in nature?

A. hygroscopic B. metals C. polymeric D. all of above...

Which one of the following compounds usually smells like garlic ?

A. P2O3 B. P2O5 C. H3PO3 D. All have same smell...

The element of group VIA which is a non-metal is________________?

A. S B. Se C. Te D. Po...

Which of the elements show passivity when treated with conc. HNO3?

A. Fe B. A C. Cr D. All of the above...