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Express decimal equivalent of 1/60 to th...

Express decimal equivalent of 1/60 to three significant figures.

A

0.0167

B

0.01666

C

0.0166

D

`1.7 xx 10^2`

Text Solution

Verified by Experts

The correct Answer is:
A
`1/60 = 0.016666` . Rounding off to three significant digits , we get 0.0167
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MODERN PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. Five thousand with three significant figures is written as:

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  2. Express decimal equivalent of 1/60 to three significant figures.

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  3. The mass of a piece of paper is 0.02 g and the mass of a solid substan...

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  4. Two samples were weighed using different balances (i) 3.529 g (ii)...

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  5. Which of the following is not a compound ?

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  6. Which of the following statements is not correct?

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  7. 1.0 g of an oxide of metal M contained 0.5 g of M and 4.0 g of another...

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  8. The molar masses of oxygen and sulphur dioxide are 32 and 64 respectiv...

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  9. Which of the following has largest number of atoms?

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  10. Which of the following has maximum number of molecules ?

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  11. Two flasks A and B of equal volume contain 2 g of H2 and 2 g of N2 ...

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  12. 2.24 L of N2 at N.T.P. contain same number of molecules as are presen...

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  13. The number of water molecules present in a drop of water weighing 0.01...

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  14. The number of silver atoms present in a 90% pure silver wire weighing ...

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  15. A given sample of AlCl3 contains 6.02 xx 10^20 Al^(3+) ions. The ...

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  16. What weight of CO(2) will contain same number of oxygen atoms as are p...

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  17. The number of atoms in 52 u of He is:

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  18. If one atom of hydrogen weighs 1.65 xx 10^(-24) g, then mass of one a...

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  19. The volume of one molecule of water is (density of water = 1 g ml^(-1)...

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  20. One mole of hydrogen peroxide (H2O2) has a mass same as that of

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