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The knocking behaviour of a fuel with oc...

The knocking behaviour of a fuel with octane number 60 is the same as the mixture containing ...............% iso-octane and ..............% n-heptane.

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ICSE-SELF ASSESSMENT PAPER 2-Questions
  1. Fill in the blanks by choosing the appropriate word/words from those g...

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  2. Fill in the blanks by choosing the appropriate word/words from those g...

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  3. The knocking behaviour of a fuel with octane number 60 is the same as ...

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  4. Benzene vapour mixed with air when passed over V2O5 catalyst at 775 K...

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  5. The process of evaporation of a liquid is accompanied by: increase ...

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  6. The densities of two gases are in the ratio of 1:16. The ratio of thei...

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  7. 18g of water contains

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  8. Draw the geometrical isomers of but-2-ene.

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  9. What is the relationship between the atomic mass and actual mass of on...

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  10. Name a compound whose empirical formula and molecular formula are equa...

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  11. Among all the isomers of pentane which has the lowest boiling point ?

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  12. What is the state of hybridisation of carbon atoms in benzene?

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  13. Arrange BF3, BCl3, B Br3, BI3 in the decreasing order of Lewis acid ch...

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  14. For what purpose are the black diamonds used ?

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  15. An tomic obital has n=3 , what are the possible values of l and m(l) ...

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  16. State the expression for Heisenberg.s uncertainty principle.

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  17. 0.400 g of chloroplatinate salt of a monoacid base on ignition gave 0....

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  18. 1.26 g of a dibasic acid were dissolved in water and the solution made...

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  19. Why do boron halides act as Lewis acids ?

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  20. Calculate the number of moles and number of molecules in 4.4 g of CO(2...

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