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