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Identify the substances which are underl...

Identify the substances which are underlined:
A `ul("metallic oxide")` which can be reduced by coke only.

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The atomic number of metal in metallic oxide is 30.
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ICSE-SELF ASSESSMENT PAPER 4-Section -II
  1. Identify the substances which are underlined: A ul("metallic oxide")...

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  2. Copy and complete the following table which refers two practical appli...

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  3. The diagram given below is to prepare Iron (III) chloride in the labor...

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  4. The diagram given below is to prepare Iron (III) chloride in the labor...

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  5. The diagram given below is to prepare Iron (III) chloride in the labor...

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  6. The diagram given below is to prepare Iron (III) chloride in the labor...

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  7. Study the figure given below and answer the question that follow : ...

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  8. Study the figure given below and answer the questions that follow : ...

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  9. Study the figure given below and answer the questions that follow : ...

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  10. By drawing an electron dot diagram, show the lone pair effect leading...

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  11. Write the equations for sulphur combining directly with : A metal .

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  12. Write the equations for sulphur combining directly with : A non-meta...

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  13. State the conc . Acid which will oxidise sulphur directly to H(2)SO(4)...

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  14. What is the name of the process by which sulphuric acid is manufacture...

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  15. Concentrated sulphuric acid is used in the laboratory preparation of n...

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  16. Determine the empirical formula of a compound containing 47.9% potassi...

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  17. Calculate the percentage of Sodium in Sodium aluminium fluoride. (Na3 ...

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  18. Match the following:

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  19. A metal A in the form of turnings reacted with a hot concentrated diba...

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  20. Give reasons why? Aluminium cannot be obtained by the reduction of i...

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  21. Name the property for which aluminium is used in cooking utensils.

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