Calcium content of Oyster shells/shell grit is?

ANN-0032

QUESTION

Calcium content of Oyster shells/shell grit is?

OPTIONS

(A) 18%
(B) 38%
(C) 42%
(D) 22%

ANSWER

(B) 38%

EXPLANATION

Oyster shell and shell grit are rich calcium supplements and commonly contain about 38% calcium. The values 18%, 42% and 22% are not the standard calcium content used for oyster shell/shell grit in this context.

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