Gypsum is applied to the soil as a source of________________?

Related Mcqs:

The oxides of beryllium BeO is_______________?

A. Acidic B. Basic C. Amphoteric D. Neutral...

Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

A. Smaller electronegativity of alkali metals B. Smaller ionic radius of these metals C. De-excitation of electrons from higher energy levels to low energy level D. Excitation of electrons from low energy levels to higher energy levels...

Nitrates of which pair of elements give different products on thermal decomposition ?

A. Na K B. Mg Ca C. Li Na D. Li Ca...

Which of the following sulphates is not soluble in water ?

A. Sodium sulphate B. Potassium sulphate C. Zinc sulphate D. Barium sulphate...

Which one can form complex ?

A. Na B. Cr C. Li D. K...