Q. The salts of which alkaline earth metal are used in the form of manure?

A) Mg
B) Ca
C) Ba
D) Sr
Explanation

(b)
Salts of calcium are used in the form of manure e.g., triple superphosphate of lime $\left\lbrack Ca\left( H_{2}PO_{4} \right)_{2}H_{2}O \right\rbrack.$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.