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How many grams atoms of S are present in...

How many grams atoms of S are present in 0.25 g of S

A

2.5

B

32

C

4

D

6

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The correct Answer is:
A
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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Calculate the number of atoms of oxygen present in 88 g of CO2.

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  2. Haemoglobin contains 0.33% of iron by weight . The mol. Wt. of haemogl...

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  3. How many grams atoms of S are present in 0.25 g of S

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  4. In a vessel 2 g of O2 2g Of H2 and 2 g of N2 are present. Which has th...

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  5. How many grams of H2SO4 are present in o.25 mole of H2SO4.

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  6. 18 g of water contains :

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  7. The number of atoms in 0.004 g of magnesium is closed to :

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  8. The number of electrons in a mole of hydrogen molecule is :

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  9. One mole of CO2 contains

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  10. The number of moles of BaCO3 Which contains 1.5 moles of oxygen atom i...

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  11. How many moles of KI are required to produce 0.4 moles 0.4 K2HgI4 ?

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  12. Volume of 4.4 g of CO2 at STP is :

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  13. 4.4 g of an unknowm gas occupies 2.24 litres of volume at STP. The gas...

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  14. Which one of the following has the smallest number of molecules ?

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  15. Choose the wrong statement

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  16. Which one of the following contains particle equal to those in 12 g M...

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  17. Calculate the percentage composition of sodium carbonate.

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  18. An organic compound conatins carbon hydrogen and oxygen.1.80 g of the ...

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  19. A compound contains carbon hydrogen and nitrogen in the ratio 18:2:7 C...

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  20. A compound on analysis gave the following percentage composition. Na =...

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