A. Magnesium
B. Iron
C. Chlorine
D. Oxygen
Related Mcqs:
- Stunted growth of roots is due to the deficiency of____________in plants??
- Black heart of potato is caused due to deficiency of:
- All of the following are elements that plants need in very small amounts except___________??
- Strong chlorosis is due to the deficiency of _____________ in plants??
- The raw material for mini steel plants is
- Deficiency of which of the following causes chlorosis__________________??
- When a saturated sodium chloride solution is electrolysed using graphic anode and steel cathode the products are
- which of the following gas discovered by Scheele??
- The fastest moving gas molecules are those of
- Water used for paper mills should not contain __________.