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State the original colour of the followi...

State the original colour of the following substance and colour of residue obtained after heating.
zinc carbonate

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ICSE-PRACTICAL WORK-EXCERCISE 9 (B)
  1. Distinguish by heating the following in dry test tube. zinc carbonat...

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  2. Distinguish by heating the following in dry test tube. zinc nitrate ...

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  3. Distinguish by heating the following in dry test tube. copper sulpha...

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  4. Distinguish by heating the following in dry test tube. ammonium chlo...

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  5. match the following:

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  6. Distinguish by dilute sulphuric acid. Sodium sulphite and sodium ca...

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  7. Distinguish by dilute sulphuric acid: Copper and magnesium

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  8. Distinguish by dilute sulphuric acid. Sodium sulphide and sodium su...

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  9. Write balanced equations for the following reactions. Ammonium dichr...

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  10. Write your observation and a balanced equation in the case of the foll...

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  11. Describe all that you would observe when the following compounds are ...

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  12. Describe all that you would observe when the following compounds are ...

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  13. Describe all that you would observe when the following compounds are ...

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  14. State the original colour of the following substance and colour of res...

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  15. State the original colour of the following substance and colour of re...

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  16. State the original colour of the following substance and colour of res...

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  17. State the original colour of the following substance and colour of res...

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