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0.00025 has how many signifcant figures...

0.00025 has how many signifcant figures

A

6

B

3

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
Zeros to the left of number .2. are not significant
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NARAYNA-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE - I (C.W)(SIGNIFICANT FIGURES)
  1. Number of significant figures present in 0.2003 are

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  2. Number of significant figures present in 12.024 are

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  3. The number of significant figures in N(0) = 6.022 xx 10^(23) (Avogadro...

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

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  5. The answer of the calculation (2.568xx5.8)/(4.168) in significant figu...

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  6. 0.00025 has how many signifcant figures

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  7. 314.000 has how many significant figures.

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  8. The correctly reported difference of 16.4215 and 6.01 will have signif...

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  9. After rounding off 1.235 and 1.225, we will have their answer respecti...

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  10. In the formation of SO(2) and SO(3) the ratio of the weights of oxygen...

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  11. 14gm of element X combine with 16gm of oxygen. On the basis of this in...

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  12. Law of multiple proportions is illustrated by one of the following pai...

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  13. Consider the following data {:("Element","Atomic Weight"),(X,14),(Y,...

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  14. A sample of pure carbon dioxide, irrespective of its source contains 2...

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  15. Four one litre flaske are separately filled with the gases H(2), He, O...

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  16. A container of volume V, contains 0*28 g of N(2) gas. If same volume o...

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  17. A and B are two idential vessels. A contains 15 g ethane at 1 atm and...

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