What is the action of hot concentrated nitric acid on carbon?

Define : Cryoscopic constant What is the action of hot/concentrated nitric acid on : (a) Arsenic (b) Antimony Draw the structure of : (a) Orthophosphoric acid (b) Pyrophosphoric acid

What is the action of concentrated sulphuric acid on the following (a) phosphorous pentachoride (b) copper (c) potassim chlorate

When tin is treated with concentrated nitric acid

Which fo the following metal is rendered passive by the action of highly concentrated nitric acid (~80%)?

What socrose is heated with concentrated nitric acid the product is:

Action of concentrated nitric not act as a reducing agent ?