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Which is used in the laboratory for last...

Which is used in the laboratory for last drying of neutral gases?

A

Phosphorus pentoxide

B

Active charcoal

C

Anhydrous calcium chloride

D

`Na_3PO_4`

Text Solution

Verified by Experts

The correct Answer is:
C
Anhydrous `CaCl_2` is used for fast drying neutral gases in laboratory.
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DINESH PUBLICATION-ALKALI EARTH METALS-Revision Questions From Competitive Exams.
  1. Plaster of paris is hydrate of

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  2. Which of the following on heating at 125^(@)C gives Plaster of Paris?

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  3. Which is used in the laboratory for last drying of neutral gases?

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  4. The atomic numbers of four elements are given below. Which one is an a...

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  5. The mixture of MgCl(2) and MgO is called .

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  6. An atom with atomic number 20 is most likely to combine chemically wit...

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  7. Except lime, a major constituent of Portland cement is

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  8. Gypsum on heating to 390 K gives

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  9. Weakest base among KOH, NaOH, Ca(OH)(2)" and "Zn(OH)(2) is :

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  10. Electrolysis of fused anhydrous KCl.MgCl2.6H2o gives

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  11. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

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  12. Amongest the metal Be, Mg, Ca and Sr of group 2 of the periodic table,...

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  13. Among the following oxides, the one which is most basic is

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  14. Presence of which of the following salt increases the rate of setting ...

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  15. Which of the following will liberate hydrogen by its reaction with hy...

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  16. White heavy precipitates are formed when BaCl(2) is added to a clear s...

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  17. Which of the following is a true peroxide?

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  18. Which of the following alkaline earth metals is the strongest reducing...

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  19. Which of the following carbonates will not decompose on heating?

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  20. Sodium sulphate is soluble in water but barium sulphate is insoluble b...

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