Chemistry
Name :
(a) a nitrate of metal which on heating does not give nitrogen dioxide.
(b) a nitrate which on heating leaves no residue behind.
(c) a metal nitrate which on heating is changed into metal oxide.
(d) a metal nitrate which on heating is changed into metal.
(e) a solution which absorbs nitric oxide.
(f) the oxide of nitrogen which turns brown on exposure to air.
(g) the gas produced when copper reacts with conc. HNO3.
Related Questions
Match the following :
Column I Column II (a) A substance which gives off only oxygen when heated. (i) Zinc nitrate (b) A substance which on heating decomposes into nitrous oxide and steam. (ii) Sodium nitrate (c) A substance which gives off oxygen and nitrogen dioxide when heated. (iii) Lead nitrate (d) A substance which on heating leaves yellow residue. (iv) Ammonium nitrate Choose the most appropriate option from the list given below to fill in the blanks.
[NO, Nessler's reagent, NO2, Iron, brown ring, magnesium, Haber's, Ostwald, Iron (II) sulphate, Hydrogen, Iron (III) sulphate](a) A yellow non-metal, sulphur reacts with nitric acid to liberate …………… .
(b) …………… test is used to identify the nitrate radical.
(c) Dilute HNO3 reacts with copper evolving …………… gas.
(d) Nitric acid is obtained on a large scale by the …………… process and the catalyst used is …………… .
(e) In …………… test, freshly prepared …………… solution is used.
(f) Nitric acid in a very dilute form reacts with …………… to form …………… .
Identify the gas evolved when:
(i) Sulphur is treated with conc. nitric acid.
(ii) A few crystals of KNO3 are heated in a hard glass test tube.
Identify the acid which is :
(a) used for the preparation of non-volatile acid.
(b) prepared by catalytic oxidation of ammonia.