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Whay is air not always regarded as homog...

Whay is air not always regarded as homogeneous mixture ?

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Air which contains certain suspended particles such as dust particles is a hetergeneous mixture and not homogeneous mixture.
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DINESH PUBLICATION-MOLE CONCEPT-Concept Based Question
  1. Why is limiting reactant so named ?

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  2. Are the atomic masses of some elements actually fractional ?

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  3. Whay is air not always regarded as homogeneous mixture ?

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  4. Hydrogen catches fire easily and oxygen helps in combusion. Why is wat...

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  5. Statements gives below pertain either to an element or mixture or comp...

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  6. What is an atom according to Dalton's Atomic theory ?

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  7. What is the effect of temperature on molarity of a solution?

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  8. What is the significant of N/10 NaOH solution ?

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  9. Does HCl solution have same value of molarity and normality ?

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  10. In the combustion of methane, why is methane regarded s the limiting r...

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  11. 32 g of sulphur will react with 32 g of oxygen, even if more than 32 g...

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  12. Is law of conservation of mass always valid ?

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  13. Give an example of a molecule in which the ratio of the molecular form...

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  14. What are the SI unit of molarity ?

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  15. How are 0.5 m of NaOH different from 0.5 M of NaOH ?

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  16. What is the difference between 0.05 g and 5.0 xx 10^(-3)g ?

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  17. Are the molar volumes of CO(2) and SO(2) different ?

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  18. It the atomic masses of C and S are 12 and 32 respectively, then atom ...

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  19. How many oxygen are present in 96 g of ozone ?

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  20. Which law of chemical combination is not explained by the Dalton's ato...

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