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Ammonia is used as refrigerant. Why?...

Ammonia is used as refrigerant. Why? 

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Which of the following is used as refrigerant

(A) Liquid ammonia is used for refrigeration (R ) The moisture in ammonia is removed by using CaO

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Which one of the following is used as refrigerant for ice - cream and frozen foods ?

The compound used as refrigerant is

The following are some statements about ethyl chloride i) it is used as refrigerant ii) it is used to prepare diethyl ether iii) it is used to prepare tetra ethyl lead

CFCs are not recommended to be used in refrigerator because they

AAKASH SERIES-GROUP 15 ELEMENTS-EXERCISE - 1.2
  1. NH(3) and NF(3) are both pyramidal. What observations are made on the ...

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  2. The correct order of bond angles is NO(2)^(+) gt NO(2) gt NO(2)^(-) . ...

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  3. Copper metal gives different products on reaction with nitric acid. Il...

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  4. Discuss the structure and basicity of orthophosphorus acid.

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  5. Draw the structures of -ous acids of phosphorus and discuss their redu...

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  6. What hapens when the following are heated? (a) orthophosphoric acid ...

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  7. Nitrogen behaves abnormally from the other elements of the same group....

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  8. Trimethylamine is a stronger base than trisilylamine. Justify.

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  9. What is the ratio of product gases, nitric oxide and nitrogen dioxide ...

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  10. Concentrated nitric acid turns yellow in sunlight. Why?

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  11. How the products of oxidation of metals with nitric acid depend?

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  12. How is ammonia prepared from lime and coke?

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  13. Write on the conditions of Haber's ammonia synthesis.

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  14. Ammonia is used as refrigerant. Why?

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  15. Though N-F in NF(3) is a polar bond, the experimental bond length is g...

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  16. A waxy crystalline solid (X) with a garlic odour is obtained by burnin...

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  17. Compound 'A' is an unstable pale blue solution of an acidic oxide. 'A'...

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  18. Nitrous acid is considered as a factomaric mixture of two forms. Write...

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  19. NH(3)+O(2)rarrX+H(2)O, X+O(2)rarrY,Y+H(2)Orarr Z+X and Z+Zn rarr Zn(NO...

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  20. A colourless inorganic salt (X) decomposes at 300^(@)C to give product...

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