Correct option is B
Transition metals occupy the center of the periodic table (Groups 3–12). They are known for variable oxidation states and the ability to form colored compounds and complex ions.
Transition metals occupy the center of the periodic table (Groups 3–12). They are known for variable oxidation states and the ability to form colored compounds and complex ions.
| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
The most widely used vegetation index is
Which one of the following is the active factor of soil formation?
The highest category of soil classification system is
The essentiality of Molybdenum was discovered by
Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch
Suggested Test Series
Suggested Test Series