The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The setting time of zinc phosphate may be retarded by?   (A) Increase in the ratio of powder to liquid   (B) Diluting the liquid with water   (C) Increase the addition of powder to liquid   (D) Decrease the addition of powder to liquid
['(D) Decrease the addition of powder to liquid <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increase in the ratio of powder to liquid \n (B) Diluting the liquid with water \n (C) Increase the addition of powder to liquid \n (D) Decrease the addition of powder to liquid <> possible answers', '  The setting time of zinc phosphate may be retarded by? <> context@']