A. volcanoes
B. electric sparks
C. combustion
D. all
Related Mcqs:
- SO2 reacts with Cl in sunlight to form__________?
A. Sulphur dioxide
B. Sulphuryl chloride
C. Suphanyl chloride
D. All of the aboveSubmitted by: Muhammad Ali Kunbhar
- When SO2 solution is passed over which of the following it turns green?
A. K2Cr2O7
B. H2SO4
C. SO3
D. P2O5Submitted by: Muhammad Ali Kunbhar
- The introduction of Kelvin scale in thermodynamic is according to_______________?
A. Boyles law
B. Charles law
C. Daltons law
D. Grahams law - List of elements based on hydrogen scale is called________________?
A. periodic table
B. groups
C. periods
D. electrochemical series - A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?
A. Thermometer
B. Viscometer
C. PH Scale
D. StagmometerSubmitted by: Ali Jan
- The range of acid PH on PH scale is____________?
A. 9 to 8
B. 6 to 7
C. 1 to 6
D. 1 to 10Submitted by: Chakar Hussain Shar
- At what digit of PH scale PH is neutral?
A. 5
B. 3
C. 7
D. 10Submitted by: Chakar Hussain Shar
- Alkaline PH scale starts from?
A. 8 to 14
B. 6 to 10
C. 7 to 11
D. 0 to 14Submitted by: Chakar Hussain Shar
- Which of the following gases is the main cause of acid rain ?
A. CO
B. NO2
C. both a & b
D. none of the above - The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
A. 60
B. 70
C. 80
D. 90