The yellow colour in photochemical smog is due to presence of__________________?

Related Mcqs:

1. Which of the following is not a condition for the formation of smog ?

   A. sufficient NO B. sunlight C. less movement of air D. winds...

2. Molten NaCl conducts electricity due to the presence of_______________?

   A. Free electrons B. Free molecules C. Free ions D. Atoms of Na and Cl...

3. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink B. black C. yellow D. brick red...

4. Colour of fluorescene produced by cathode rays depends upon________________?

   A. Temperature B. Pressure C. Volume D. Composition of glass...

5. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink B. black C. yellow D. brick red...

6. The colour of chlorine gas is_______________?

   A. pale yellow B. freenish yellow C. reddish brown D. grayish black...

7. Colour in transition metal compounds is attributed to____________?

   A. Small sized metal ions B. Absorption of light in UV region C. Complete ns sub-shell D. Incomplete (n-1) d sub-shell Submitted by: Muhammad Ali Kunbhar...

8. In solids the temperature is the measure of__________________?

   A. Average kinetic energy of molecules B. Vibrational kinetic energy C. Translational kinetic energy D. None of the above...

9. Nucleic acids direct the synthesis of__________________?

   A. Glucose B. Triglycerides C. Proteins D. All...

10. In diaphragm cell hydrogen is discharged by the reduction of__________________?

    A. Water B. HCI C. Na+ D. NaCl...