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Give an example of a reaction where heat...

Give an example of a reaction where heat is released.

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ICSE-SPECIMEN PAPER 2-SECTION -II
  1. Give the test of the gas evolved when dilute sulphuric acid is added t...

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  2. Give the test of the gas evolved when dilute sulphuric acid is added t...

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  3. Give an example of a reaction where heat is released.

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  4. Name the substances responsible for permanent hardness

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  5. Explain one method of removing permanent hardness.

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  6. Complete the table by writing the following as basic and acidic radica...

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  7. State the cause of acid rain and mention its impact.

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  8. Explain why : Fused CaCl2 or conc. H2SO4 is used in a desiccator.

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  9. Explain why? conc. sulphuric acid should be stoppered.

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  10. Write balanced equations for the following reactions. Water is react...

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  11. Write balanced equations for the following reactions. Steam is passe...

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

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  13. Write balanced equations for the following reactions. Lead reacts wi...

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  14. Write balanced equations for the following reactions. Copper reacts ...

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  15. What are isotopes ? Draw the structures of the isotopes of hydrogen.

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  16. Compare three properties of hydrogen which resembles the alkali metals...

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  17. At what centigrade temperature will the volume of a gas at 0^(@)C trip...

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  18. Hydrogen is prepared by Bosch process ? Write the balanced equations...

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  19. Hydrogen is prepared by Bosch process ? How are the products separat...

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  20. Write the name of the product formed and give balanced equation of the...

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