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Choose the correct answer from the options given below :
The brown ring test is used for detection of :

A

`CO_3^(2-)`

B

`NO_3^(-)`

C

`SO_3^(2-)`

D

`Cl^(-)`

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ICSE-STUDY OF COMPOUNDS OF NITROGEN - NITRIC ACID-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Choose from the list of substances, as to what matches the description...

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  2. What would you observe in the following ? Copper is heated with conc...

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  3. Choose the correct answer from the options given below : The brown r...

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  4. What is the special feature of the apparatus that is used in the labor...

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  5. Why should the temperature of the reaction mixture of nitric acid not ...

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  6. Write balanced chemical equation for the following: Ferric hydroxide r...

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  7. Name the gas in the following: The gas produced when copper reacts w...

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  8. State one observation for the following: Zinc nitrate crystals are s...

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  9. Some word/words are missing in the following statement. You are requir...

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  10. Give balanced equation for the following reaction : Dilute nitric ac...

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  11. Identify the gas evolved in the following reaction when : Sulphur is...

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  12. Give balanced equation for the following: Oxidation of carbon with con...

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  13. Fill in the blank from the choices given within brackets: Cold, dilu...

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  14. Write balanced equation for the following: Action of heat on a mixtu...

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  15. State the condition required for the following reaction to take place ...

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  16. Give balanced equation for the following: Laboratory preparation of ...

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  17. State one appropriate observation for -When crystals of copper nitrate...

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  18. Dilute nitric acid is generally considered a typical acid but not so i...

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  19. Concentrated nitric acid appears yellow when it is left standing in a ...

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  20. All glass apparatus is used in the laboratory preparation of nitric ac...

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