Aqua regia is a mixture of x part/s of concentrated nitric acid and y part/s of concentrated hydrochloric acid by weight.The x,y are
one, one
one, two
two, three
one, three
Acid formed when nitrates react with HCl is
nitrous acid
nitric acid
amino acids
none of these
Which gas is evolved when HCl is added to red lead?
Chlorine
Oxygen
Hydrogen
Sulphur
The compound obtained by the reaction of sodium chloride and sulphuric acid at a temperature below 200oC is
Sodium sulphate
Sodium bisulphate
Sodium sulphonate
Sodium sulphide
In aqua - regia, which one of the following react with Noble metals?
Nascent Hydrogen
Nascent Oxygen
Nascent Chlorine
Nascent Nitrogen
Manganese (IV) oxide, Lead (IV) oxide, KMnO4, K2Cr2O7 are commonly known as
Oxidizing agents
Reducing agents
Organic compounds
None of these
A salt which is soluble in hot water, but insoluble in cold water is
Lead nitrate
Lead chloride
Lead iodide
Lead bromide
