Which of the following are green house gases ? (a) `CO_2` (b) `O_2` (c) `O_3` (d) CFC (e) `H_2O`

Which one of the following is not a green house gas ? CO_(2), CH_(4), O_(2), CFCs .

Which of the following is a secondary pollutant ? (A) O3 (B) SO2 (C) CO2 (D) CO

Give the characteristic tests for the following gases : (a) CO_(2) (b) SO_(2) (c) O_(2) (d) H_(2)

In which of the following compounds resonance does not occurs (a) H_2O (b) SiO_2 (c ) SO_2 (d) CO_2

Give the characteristic tests for the following gases. (a) CO_(2)" "(b) SO_(2) (c) O_(2)" "(d) H_(2)

Which of the following produces are formed on hydrolysis of NaO_2 ? (a)NaOH , (b) H_2O_2 , (c ) O_2 , (d) H_2O

Among the following , greenhouse gases are CO_2.CH_4.CF_2Cl_2.H_2O,N_2O,O_3,N_2

Among the following , greenhouse gases are CO_2.CH_4.CF_2CL_2.H_2O,N_2O,O_3,N_2