Question:
According to United State Pharmacopoeia, 1 part of solute dissolves in 10-30 parts are
According to United State Pharmacopoeia, 1 part of solute dissolves in 10-30 parts are
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Remember the 10-30 rule for "Soluble."
Updated On: May 25, 2026
- Freely soluble
- Sparingly soluble
- Slightly soluble
- Soluble
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The Correct Option is D
Solution and Explanation
Step 1: Concept
The USP and IP define solubility using standardized descriptive terms based on the parts of solvent required for 1 part of solute.
Step 2: Meaning
These categories range from "Very Soluble" (less than 1 part) to "Insoluble" (more than 10,000 parts).
Step 3: Analysis
- Freely soluble: 1 to 10 parts. - Soluble: 10 to 30 parts. - Sparingly soluble: 30 to 100 parts.
Step 4: Conclusion
The range of 10-30 parts is specifically defined as "Soluble". Final Answer: (D)
The USP and IP define solubility using standardized descriptive terms based on the parts of solvent required for 1 part of solute.
Step 2: Meaning
These categories range from "Very Soluble" (less than 1 part) to "Insoluble" (more than 10,000 parts).
Step 3: Analysis
- Freely soluble: 1 to 10 parts. - Soluble: 10 to 30 parts. - Sparingly soluble: 30 to 100 parts.
Step 4: Conclusion
The range of 10-30 parts is specifically defined as "Soluble". Final Answer: (D)
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