EPT

A dilute acid which does not normally give hydrogen when react with metals but does give a gas when it reacts with copper.

• SULPHURIC ACID
• NITRIC ACID
• HCl ACID
• NONE

Nitric acid is used as an oxidising agent because it gives nascent

• HYDROGEN
• NITROGEN
• OXYGEN
• CHLORINE

Dil. Nitric acid is a typical acid except for its reaction with metals because it

• Does not liberate H2 on reaction with metals
• Does not liberate N2 on reaction with metals
• Does not liberate O2 on reaction with metals
• Does not liberate Cl2 on reaction with metals

Which gas turns reddish brown when it react with oxygen?

• N2O
• CO
• NO
• NO2

Which gas is released when zinc react with dil. nitric acid?

• CO2
• O2
• NO2
• NO