Dr.Ahmed Ghalwash
نتيجة الإختبار - Quiz on erosion of Ozone layer
اسم الطالب : Dr.Ahmed Ghalwash
المدينة : 55
Thursday , 9 December 2021 - 07:17 PM0 من 5
السؤال - 1
1. Ozone gas molecule consists of .........
a. four oxygen atoms.
b. two oxygen atoms.
c. three oxygen atoms.
d. one oxygen atom.
إجابة خاطئة
Ozone molecule is O3
السؤال - 2
2. Degree of ozone at STP condition is ....... Dobson
100
200
300
400
إجابة خاطئة
Normal degree of Ozone is 300 Du
السؤال - 3
3. Ozone layer absorbs ..........
a. infrared rays.
b. Near UV.
c. All UV.
d. Most medium and Far UV rays.
إجابة خاطئة
95% of medium and 100 % of Far UV rays are absorbed by Ozone layer
السؤال - 4
4. Ozone hole appears over the ..........
a. equator.
b. north pole.
C. south pole.
d. middle east.
إجابة خاطئة
Ozone pollutants migrate each September to south pole and causes depletion of ozone layer there
السؤال - 5
5. .......... compounds are known commercially as Freon.
a. Halons
b. Nitrogen oxides
c. Hydrocarbons
d. Chlorofluorocarbon
إجابة خاطئة
chlorofluorocarbon compounds are known commercially as Freon.