Most common zinc fertiliser is

A. Zinc-chelate

B. Zinc-oxide

C. Zinc-sulphate

D. Zinc ash

Answer: Option C

Solution(By Examveda Team)

The most common zinc fertilizer is Zinc-sulphate.
Inorganic sources include zinc sulphate, zinc oxide, zinc carbonate, zinc nitrate, and zinc chloride. Zinc sulphate is the most commonly used zinc fertilizer worldwide and is available in both crystalline monohydrate and heptahydrate forms.