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Name one: metallic oxide which cann...

Name one:
metallic oxide which cannot be reduced by hydrogen.

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Name the A metal oxide that can be reduced by hydrogen.

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ICSE MODEL PAPER-SAMPLE PAPER 2022-SECTION I
  1. This metal is a liquid at room temperature.

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  2. Name one: non-metal which is a conductor of electricity.

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  3. Name one: neutral oxide.

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  4. Name one: metallic oxide which cannot be reduced by hydrogen.

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  5. Name one: non-metal which has lustre.

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  6. Name the chief ore of aluminium. Describe briefly the extraction of al...

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  7. Name the process used to concentrate the cryolite ore

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  8. The funciton of adding cryolite in the electrolytic reduction of alumi...

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  9. Give cathode and anode reactions involved in extraction of aluminium f...

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  10. Name the process used for the concentration of zinc blende.

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  11. Draw a neat and well labelled diagram for the silver plating on an iro...

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  12. Copy and Complete the following table related to electrolysis :

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  13. Classify the following as oxidation and reduction reaction, also compl...

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  14. Classify the following as oxidation and reduction reaction, also compl...

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  15. Classify the following as oxidation and reduction reaction, also compl...

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  16. A compound has the following percentage composition by mass : Carbon ...

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  17. Draw the Lewis dot structure of the following molecules (i) Methyl a...

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  18. Give the electron dot structure of the following: CH4

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  19. Give the electron dot structure of the following: H3O^(+)

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  20. Compare the properties of covalent and electrovalent compounds on...

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