Which rock is harder_________________?

Related Mcqs:

The site of grains present in sands structuring range__________________?

A. 1.00 0.0625 mm dia B. 0.0625 mm dia C. 0-1.0 mm dia D. None of the above...

The available form of calcium to plant is________________?

A. Ca(free cation B. CaO C. Ca D. None of the above...

A compound toxic to crop formed by the thermal decomposition of urea is_________________?

A. Uric acid B. Biurct (NH2CONH CONH2 H2O) C. Diuret D. Both b & c...

Extraction of humic substance can be done by______________________?

A. NaOH B. NH4Cl C. NH4OH D. None of the above...

Humic acid is soluble in____________________?

A. Acid B. Alkali C. Both a & b D. None of the above...