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Explain smelting process....

Explain smelting process.

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SURA PUBLICATION-SELF-EVALUATION 7 MARKS-ANSWER ALL THE QUESTIONS (CHEMISTRY)
  1. On analysing an impure sample of sodium chloride, the percentage of ch...

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  2. (a) Wriite any three uses of copper. (b) Ionisation energy decreases...

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  3. Explain smelting process.

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  6. Calculate the gram molecular mass of the following (i) CH(4) (ii) CO...

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  7. A hot saturated solution of copper sulphate forms crystals as it ...

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  8. (a) Explain Bassermerisation. (b) What s molar volume of a gas?

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  9. How will you classify hydrocabons?

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  10. Explain the factors influcencing the rate of a reaction

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  11. How will you convert ethanol to ethane ?

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  12. (a) Define mole. (b) Distinguish between cation and an anion.

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  13. Explain the classification based on the direction of the reaction.

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  14. (a) Define heterocylic compounds. Give an example. (b) 60 grams of N...

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  15. (a) Explain the types of double displacement reactions with examples. ...

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  16. Derive the relationship between relative molecular mass and Vapour den...

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  17. (a) Powdered CaCO(3) reacts much faster with HCl than with solid marbl...

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  18. Atomic radii decreases as we move from left to right of periodic tabl...

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  19. How does pH play ann important role in everyday life?

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  20. How is ethanol manufactured from sugarcane ?

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