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Identify the substance underlined Th...

Identify the substance underlined
The `ul"electrode"` that increases in mass during the electro-refining of silver.

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Cathode
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ICSE-SAMPLE PAPER 2020-SECTION-II (40 Marks) Attempt any four questions from this Section
  1. Calculate the percentage of : Sodium in sodium aluminium fluoride...

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  2. Calculate the percentage of : Aluminium in sodium aluminium fluori...

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  3. State the volume occupied by 40 gm of methane at STP, if its vapour de...

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  4. Calculate the number of moles present in 160 gm of NaOH. [Atomic Mass ...

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  5. Identify the salts P, Q, R from the observation Salt P has light blu...

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  6. Identify the salt Q from the observation Salt Q is white in colour....

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  7. Identify the salt R from the observation Salt R is black in colour. ...

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  8. Identify the substance underlined The ul"electrode" that increases...

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  9. Identify the substance underlined The ul"acid" that is a dehydrati...

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  10. Identify the substance italicised : The catalyst used to oxidise ammon...

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  11. Copy and complete the following paragraph using the options given in b...

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  12. Write balanced chemical equations, for the preparation of the given sa...

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  13. Write balanced chemical equations, for the preparation of the given sa...

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  14. Write balanced chemical equations, for the preparation of the given sa...

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  15. Name the element An alkaline earth metal present in group 2 and peri...

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  16. Name the element A trivalent metal used to make light tools.

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  17. Name the element A monovalent non-metal present in fluorspar.

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  18. An aqueous solution of nickel (II) sulphate was electrolyzed using nic...

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  19. An aqueous solution of nickel (II) sulphate was electrolyzed using nic...

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  20. An aqueous solution of nickel (II) sulphate was electrolyzed using nic...

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