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Give reasons : Conc. sulphuric acid is...

Give reasons :
Conc. sulphuric acid is used as drying agent.

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Give reasons for the following Conc. sulphuric acid is used as a dehydrating agent.

Statement-1 : Sulphuric acid is less viscous than water due to intermolecular hydrogen bonding. Statement-2 : Concentrated sulphuric acid is used as dehydrating agent.

Sulphuric acid can be used as.

Give reasons for the following : Conc . Sulphuric acid us used as a laboratory reagent in the preparation of iodine from hydrogen iodide.

Concentrated sulphuric acid is not used to dry hydrogen.

Give reason for the following sulphur dioxide is used as an antichlor.

Differentiate the function of concentrated sulphuric acid as a drying agent & as a dehydrating agent. Is fused calcium chloride a dehydrating or a desiccating agent. Give reasons.

Give areason why -i]Concentrated sulphuric acid ,is not used for drying ammonia gas ii] Ammonia gas is not collected over water.

Give reasons why dilute sulphuric acid (i) behaves as an acid when dilute (ii) is dibasic in nature.

Why sulphuric acid is not used as a drying agent in the preparation of hydrogen ?

ICSE-SPECIMEN PAPER 2-SECTION -II
  1. Give reasons : Hydrogen is collected by downward displacement of wat...

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  2. Give reasons : Hydrogen is not prepared by reacting conc H(2)SO(4) w...

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  3. Give reasons : Conc. sulphuric acid is used as drying agent.

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  4. Give reasons : Detergents are better than soap.

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

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

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

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

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

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  10. Name the substances responsible for permanent hardness

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  11. Explain one method of removing permanent hardness.

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

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

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

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

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

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

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

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

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

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