Soil Science

Soil Science
C12H12N-NaO8S2 is the chemical formula of _______?
Carbonated sodium sulphate
Azomethine H
Activated charcoal
None of these
Author: rikazzz Comment
Soil Science
The soil of Sindh (Pakistan) have pH _______?
6.5 to 7.5
5.0 to 6.5
7.5 to 8.5
8.5 to 9.5
Author: rikazzz Comment
Soil Science
Sewage water consists of water and solids in the following percentage _______?
99 and 1
80 and 20
90 and 10
None of these
Author: rikazzz Comment
Soil Science
Soil particles having diameter greater than 2 mm are called _______?
Silt
Clay
Sand
Gravel
Author: rikazzz Comment
Soil Science
Ligands that occur in Pakistan soils are _______?
SO4-2 OH
OH1 HCO2
CO3-2 SO4-2
All the above
Author: rikazzz Comment
Soil Science
An expression of the intensity of the basic or a acidic condition of a liquid or of soil is called _______?
SAR
ESR
EC
pH
Author: rikazzz Comment
Soil Science
Age of Earth is _______?
4.5 billion years
1 billion years
4 billion years
6 billion years
Author: rikazzz Comment
Soil Science
Examples of macrobiota are _______?
Enchytrids
Bacteria
Fungus
Plants
Author: rikazzz Comment
Soil Science
Most of the productive soils in Pakistan have pH _______?
Between 7.5 to 8.5
8.5
Both of the above
None of these
Author: rikazzz Comment
Soil Science
Equation of Ozone is _______?
O2 + O =O3
O2 O
O3 + O
None of these
Author: rikazzz Comment

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