Thursday, April 29, 2010

Effervescence

Multiple Choice Question (MCQs) from Efflorescence in Pharmaceutics
1. Loss of water (or a solvent) of crystallization from a hydrated or solvated salt to the atmosphere on exposure to air is called ………… .

(a) Efflorescence   
 (b) Hygroscopy
(c) Deliquescent
(d) Hydration
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2. After efflorescence color of NaCl becomes,

(a)  Blue                 
(b) White         
(c) Decolorization
(d) Orange
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3. During efflorescence the water of crystallization ………… the substance,

(a)   Enters             
(b)   Leaves        
(c)   None of above
(d)   Both a and b
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4. After efflorescence the substance becomes,

(a)    Liquid              
(b)   Gas              
(c)   Solid              
(d)   None of above
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5. Increasing the temperature of atmosphere will cause …………. in efflorescence,

(a)  Increase           
(b) Decrease       
(c) No change      
(d) Both a and b
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Answers to Multiple Choice Question (MCQs) from Efflorescence in Pharmaceutics
1. Efflorescence,

2. White,

3. Leaves,

4. Solid,

5. Increase
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Further Reading:
Tutorial Pharmacy

Textbook of Pharmaceutics

BENTLEY'S TEXT-BOOK OF PHARMACEUTICS

Applied Pharmaceutics in Contemporary Compounding

Aulton's Pharmaceutics: The Design and Manufacture of Medicines

Remington's Pharmaceutical Sciences
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