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How many fundamental particles are prese...

How many fundamental particles are present in 10u of helium?

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AAKASH SERIES-STOICHIOMETRY-QUESTIONS FOR DESCRIPTIVE ANSWERS
  1. There are more number of atoms in one gram atom of an element than in ...

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  2. The formula weight of metal chloride is 136 and specific gravity of me...

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  3. How many fundamental particles are present in 10u of helium?

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  4. 0.22g of a metal chloride required 0.51g of AgNO(3) to precipitate chl...

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  5. Density of a gas relative to air is 1.17. What is the molar mass of ga...

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  6. KCl contains 52% of potassium and KI contains 23.6% potassium by weigh...

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  7. What weight of flurine is present in one gram of a fluoride tooth past...

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  8. One gram of copper is dissolved in nitric acid and crystal hydrate Cu(...

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  9. The weight ratio of elements carbon, nitrogen and hydrogen in a compou...

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  10. 100grams of a hydrocarbon has 93.71 g of carbon. What is its empirical...

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  11. 0.234g of an organic compound on heating with conc nitric acid and sil...

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  12. An organic compound contains 52.2%C, 13%H and remaining oxygen.What is...

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  13. Two oxides of a non-metal X contain 50% and 40% of non -metal respecti...

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  14. Two elements 'A' and 'B' (atomic weights 75 and 16 respectively) combi...

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  15. Write the square root of 6.4xx10^(7) in significant figures.

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  16. Substract 24.5492 from 62.831 and report the answer in significant fig...

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  17. A piece of metal is 3 inch long. What is its length in cm?

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  18. Density of Hg is 13.6"gcc"^(-1) .Report the mass of 21cc in significan...

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  19. Report the prouduct of 4.5 and1.25 in significant figures.

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  20. Divide 0.9 with 4.26 and report the answer in significant figures.

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