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How will you distinguish between followi...

How will you distinguish between following pairs of compounds using `NH_4OH`.
Copper sulphate and iron(II) sulphate.

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ICSE MODEL PAPER-SAMPLE PAPER 2022-SECTION I
  1. Name the method by which following compounds can be prepared: Select ...

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  2. Name the method by which following compounds can be prepared: Select ...

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  3. How will you distinguish between following pairs of compounds using NH...

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  4. How will you distinguish between following pairs of compounds using NH...

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  5. How will you distinguish between following pairs of compounds using NH...

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  6. Name: A greenish yellow gas with pungent smell.

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  7. Name: An oxide which is yellow when hot and white when cold.

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  8. Name: A chemical used to deplete ozone layer.

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  9. Name: A crystalline salt without water of crystallization.

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  10. This metal is a liquid at room temperature.

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

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  12. Name one: neutral oxide.

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

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

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

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  16. Name the process used to concentrate the cryolite ore

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

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

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

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

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