The correct answer is: C. Calcium phosphate
Bone ash is a white powder that is left after bones have been burned. It is a major source of calcium and phosphorus, two minerals that are essential for human health. Bone ash is also used in some fertilizers and animal feed supplements.
Calcium sulphate is a white, odorless, tasteless powder that is used in a variety of applications, including as a filler, binder, and extender in plastics, rubber, and ceramics. It is also used in the manufacture of paper, paint, and other products.
Phosphoric sulphate is a white, odorless, tasteless powder that is used in a variety of applications, including as a fertilizer, flame retardant, and in the manufacture of detergents and other products.
Calcium hypophosphate is a white, odorless, tasteless powder that is used in a variety of applications, including as a food additive, in the manufacture of fertilizers, and in the treatment of kidney stones.
In conclusion, the correct answer is: C. Calcium phosphate.