9.2 Nitric Acid — Chemistry STD 10 — Question

The most active non-metal.

what type of reaction is common to both the above compounds? Why methane does not undergo this type of reaction.

Name a mixed salt.

Write the equation for the reaction that occurs at the cathode during the extraction by aluminium by electrolysis.

Name chemical in which gold can be dissolved.

Explain why:
Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

One metal which forms more than one type of positive ions.

An acid which furnishes 3 hydronium ions per molecule on ionisation.

Name the gas which turns acidified potassium dicromate solution green.

Name:
a compound containing zinc in the anion