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Phosphorus is used in...

Phosphorus is used in

A

Rubber industry

B

Cement industry

C

Photography

D

Match industry

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The correct Answer is:
D
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Concentrated nitric acid oxidises phosphorus to phosphoric acid according to the following equation: P + 5HNO_3"(conc.) "rarr H_3PO_4 + H_2O + 5NO_2 If 9.3 g of phosphorus was used in the reaction, calculate : Number of moles of phosphorus taken.

Concentrated nitric acid oxidises phosphorus to phosphoric acid according to the following equation: P + 5HNO_3"(conc.) "rarr H_3PO_4 + H_2O + 5NO_2 If 9.3 g of phosphorus was used in the reaction, calculate : The mass of phosphoric acid formed.

Concentrated nitric acid oxidises phosphorus to phosphoric acid according to the following equation: P + 5HNO_3"(conc.) "rarr H_3PO_4 + H_2O + 5NO_2 If 9.3 g of phosphorus was used in the reaction, calculate : The volume of nitrogen dioxide produced at S.T.P. [H = 1, N = 14, P = 31, O = 16]

Phosphorus is kept in

Phosphorus has

Phosphorus is present in :

Phosphorus is found maximum in

Phosphorus is a constituent of:

(a)What happens when white phosphorus is heated with concentrated NaOH solution in an inert atmosphere of CO_(2) ? (b)Draw the structure of white phosphorus and red phosphorus. Which one of these two types of phosphorus, is more reactive and why ?

Phosphorus is always present in

CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
  1. The number of S =O and S-OH bonds present in peroxodisulphuric acid an...

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  2. When ammonia is heated with CO2 under pressure, the product is

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  3. Phosphorus is used in

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  4. When phosphine is bubbled through a solution of silver nitrate is pre...

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  5. When orthophosphoric acid is heated at 240^@ C, the main product forme...

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  6. Complete manure is that which supplies

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  7. Industrial preparation of nitric acid by Ostwald's process involves.

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  8. When treated with nitric acid which of the following liberates hydroge...

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  9. concentrared nitric acid oxidises cane sugar to

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  10. White phophorus reacts with caustic soda, the products are PH(3) and ...

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  11. White phosphorus may be removed from red phosphorus by

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  12. Which one of the acids is a dibasic acid ?

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  13. Which one of the following can be used as an anaesthetic?

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  14. The catalyst used in the manufacture of ammonia by Haber process is

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  15. The catalyst used in the manufacture of NO by Ostwald's process is

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  16. Which of the following properties of white phosphorus are shared by re...

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  17. The number of P-O-P bridges in the structure of phosphorus pentoxide a...

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  18. Nitrogen molecule is chemically less active because of its

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  19. Addition of conc. HNO3 to conc. H2 SO4 gives

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  20. The reaction between NH2^(Ө) and N2 O gives

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