Powdery materials can be guarded against caking tendency on storage by_________________?
Correct answer: D. None of these
- A. Providing irregular grain size
- B. Providing minimum percentage of voids
- C. Having maximum possible points of contact
- D. None of these
Explanation
Caking is promoted by close packing and many particle contacts, so minimum voids and maximum contact points are undesirable. The listed measures do not reliably prevent caking, making none of these the best choice.
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