| 6. | Relationships which can be studied by stoichiometry are |
| a. | 6 |
| b. | 5 |
| c. | 4 |
| d. | 3 |
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Answer: (d).3
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| 7. | A macromolecule found in blood is |
| a. | Ferritin |
| b. | albumin |
| c. | Hemoglobin |
| d. | Keratin |
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|
Answer: (c).Hemoglobin
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| 8. | Ascorbic acid is another name for vitamin |
| a. | A |
| b. | B |
| c. | C |
| d. | D |
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Answer: (c).C
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| 9. | Ions having positive charges are |
| a. | captions |
| b. | anions |
| c. | molecules |
| d. | atoms |
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Answer: (a).captions
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| 10. | Mass of one mole of water molecule is |
| a. | 22g |
| b. | 28g |
| c. | 20g |
| d. | 18g |
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|
Answer: (d).18g
|