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Haemoglobin contains 0.33% iron (Fe=56)....

Haemoglobin contains `0.33%` iron (Fe=56). The molecular weight of haemoglobin is 68000. The number of iron atoms in one molecule of haemoglobin is . 

A

2

B

3

C

4

D

5

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
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  2. The mass of 80% pure H(2)SO(4) required to completely neutralise 60g o...

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  3. Haemoglobin contains 0.33% iron (Fe=56). The molecular weight of haemo...

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  4. The number of moles of KI required to produce 0.4 mole K(2)HgI(4) is

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  5. The number of molecules of CO(2) liberated by complete combustion of 0...

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  6. 5 g of a sample of magnesium carbonate on treatment with excess of dil...

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  7. Phosphine on decomposition produces phosphorus and hydrogen. When 100 ...

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  8. 0.00025 has how many significant figures?

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  9. The proper value of significant figures in 38.0 +0.0035+0.00003 is.

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  10. The number of significant figures in electronic charge 1.602 xx 10^(@)...

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  11. The correctly reported answer of the addition of 4.523, 2.3 and 6.24 w...

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  12. After rounding 1.235 and 1.225 to three significant figures, we will h...

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  13. The number of significant figures in it are

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  14. On dividing 0.25 by 22.1176, the actual answer is 0.011303. The correc...

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  15. 8.281 has how many significant figures?

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  16. The number of significant figures in 0.0045 are

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  17. Which of the following is incorrect about SI units ?

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  18. Plank's constant has the dimensions of

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  19. Which of the following units represents the largest amount of energy?

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  20. Which of the following statement is correct?

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