Question

Match the following:
Column A Column B
(a) Pb(NO3)2 (i) rotten egg smell
(b) CO2 (ii) burns with pop sound
(c) (NH2)2Cr2O7 (iii) suffocating smell of sulphur
(d) HCI (iv) lime water turns milky
(e) NO2 (v) crackling sound
(f) 02 (vi) residue swells up
(g) H2 (vii) brown gas
(i) HS (viii) supports combustion
(1) SO2 (ix) fumes with NH, solution​

Answer 1

Answer:

(a) Pb(NO3)2 - Crackling sound

(b) CO2 - Lime water turns milky

(c) (NH2)2Cr2O7 - Residue swells up

(d) HCI - Fumes with NH3 solution

(e) NO2 - Brown gas

(f) O2 - Supports combustion

(g) H2 - Burns with pop sound

(i) H2S - Rotten egg smell

(j) SO2 - Suffocating smell of Sulphur